/* 50号(202609) 巻頭特集ページ用CSS
   前号までの特集固有スタイルは整理済み。以下は汎用ユーティリティと
   テンプレート共通デザイン（タイトル・プロフィール枠）のみ。
   本文の内容が固まり次第、必要なスタイルをこのファイルに追加してください。 */

/* ==========================================================
   カラーパレット（50号 テーマカラー）
   ========================================================== */
:root {
  --color-title-blue: #1554a5; /* タイトルブルー */
  --color-space-navy: #182a4d; /* 🌌 宇宙：夜空・神秘・未来・科学 */
  --color-deepsea-blue: #075985; /* 🌊 深海：海・深さ・静けさ・探究 */
  --color-disaster-orange: #e86a33; /* 🛟 防災：注意・行動・安心・備え */
  --color-rock-brown: #756052; /* 🪨 岩石：大地・地層・自然・歴史 */

  /* カード内の見出し・縁取りで使う、防災テーマの色 */
  --color-storm-deep: #3f6f68;
}

.title-blue-text {
  color: var(--color-title-blue) !important;
}

.space-text {
  color: var(--color-space-navy) !important;
}
.space-bg {
  background-color: var(--color-space-navy) !important;
}

.deepsea-text {
  color: var(--color-deepsea-blue) !important;
}
.deepsea-bg {
  background-color: var(--color-deepsea-blue) !important;
}

.disaster-text {
  color: var(--color-disaster-orange) !important;
}
.disaster-bg {
  background-color: var(--color-disaster-orange) !important;
}

.rock-text {
  color: var(--color-rock-brown) !important;
}
.rock-bg {
  background-color: var(--color-rock-brown) !important;
}

.blue-text {
  color: #00a0e9 !important;
}
.marker-yellow {
  background-color: #e5df1b;
  font-weight: bold;
}
.purple-text {
  color: #b84ebe !important;
}
.max-full_width {
  margin: 5% 0;
}
.bullet-heart {
  color: #af62a3;
}
.special-note {
  border: 3px dotted #bb6ebff2;
  border-radius: 15px;
  padding: 3% 0;
  margin: 2%;
}
.special-note p {
  font-size: 1.3rem;
}
.special-bullet {
  color: #af62a3;
  margin: 0 1% 0 0;
}
.center-img {
  margin: 5% 20% !important;
  padding: 0%;
  text-align: center;
}
.align-right {
  float: right;
}
.purple-bg {
  background-color: #2196f352 !important;
}
.highlighted-bg {
  background-color: #c9c9c94a;
  width: fit-content;
  padding: 2px;
}
.back-to {
  border: 1px solid #00a0e9;
  background-color: #009fe91a;
  width: fit-content;
  padding: 1%;
  font-size: 12px;
  font-weight: 500;
  margin: 2% 0;
  letter-spacing: -1px;
}
.back-to:hover {
  text-decoration: none !important;
  background-color: #009fe935 !important;
}

/* ==========================================================
   本文まわりの共通デザイン（タイトル・プロフィール枠）
   ========================================================== */

.tokushu-lead-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(220px, 0.8fr);
  grid-template-areas:
    "copy figure"
    "note figure";
  grid-template-rows: auto 1fr;
  align-items: stretch;
  column-gap: 1.6rem;
  row-gap: 1rem;
  margin: 0.5em 8rem 2.4rem !important;
  padding: 1.5rem 0;
}

.tokushu-lead-row::before,
.tokushu-lead-row::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  opacity: 0.55;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-deepsea-blue) 25%,
    var(--color-disaster-orange) 75%,
    transparent 100%
  );
}

.tokushu-lead-row::before {
  top: 0;
}

.tokushu-lead-row::after {
  bottom: 0;
}

.tokushu-lead-row .wrapperprof-fondo-tokushu {
  grid-area: copy;
  margin: 0 !important;
}

.tokushu-lead-row .wrapperprof-fondo-tokushu::before,
.tokushu-lead-row .wrapperprof-fondo-tokushu::after {
  display: none;
}

.tokushu-lead-row .tokushu-lead-figure {
  grid-area: figure;
  margin: 0 !important;
  min-width: 0;
}

.tokushu-lead-row .tokushu-lead-figure img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}

/* 左の余白を図版解説として使い、紙色と引き出し線で右の図版に繋げる */
.tokushu-lead-figure-note {
  grid-area: note;
  position: relative;
  align-self: end;
  box-sizing: border-box;
  padding: 1rem 1.5rem 1.05rem;
  border: 1px solid #eaebef;
  border-radius: 6px;
  background: #f1e8d0;
  box-shadow: 0 6px 16px rgba(20, 30, 60, 0.06);
  font-size: 1.2rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: #342f2a;
}

.tokushu-lead-figure-note__text {
  display: block;
  font-weight: 550;
}

.tokushu-lead-figure-note__text::before {
  content: "";
  position: absolute;
  z-index: 2;
  left: 0.75rem;
  top: 1rem;
  bottom: 1rem;
  width: 1px;
  opacity: 0.35;
  background: repeating-linear-gradient(
    to bottom,
    var(--color-rock-brown) 0 2px,
    transparent 2px 5px
  );
}

.tokushu-lead-row .tokushu-lead-figure::before {
  content: "";
  position: absolute;
  z-index: 2;
  left: -1.2rem;
  bottom: 3rem;
  width: 9px;
  height: 9px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: var(--color-disaster-orange);
  box-shadow: 0 0 0 1px rgba(117, 96, 82, 0.35);
}

.tokushu-lead-row .tokushu-lead-figure-note::after {
  content: "";
  position: absolute;
  z-index: 1;
  right: -1.6rem;
  bottom: 3.35rem;
  width: 1.6rem;
  height: 1px;
  background: var(--color-disaster-orange);
}

.tokushu-lead-row .tokushu-lead-figure-note::before,
.tokushu-lead-row .tokushu-lead-figure::after {
  content: "";
  position: absolute;
  z-index: 2;
  top: 1rem;
  bottom: 1rem;
  width: 1px;
  opacity: 0.35;
  background: repeating-linear-gradient(
    to bottom,
    var(--color-rock-brown) 0 2px,
    transparent 2px 5px
  );
}

.tokushu-lead-row .tokushu-lead-figure-note::before {
  right: 0.75rem;
}

.tokushu-lead-row .tokushu-lead-figure::after {
  left: 0.75rem;
}

.tokushu-lead-figure-note .tokushu-lead-figure__credit {
  display: block;
  margin-top: 0.55em;
  padding-top: 0.45em;
  border-top: 1px solid rgba(117, 96, 82, 0.2);
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 500;
  color: #686058;
}

@media screen and (max-width: 760px) {
  .tokushu-lead-row {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "figure"
      "note";
    grid-template-rows: auto;
    gap: 1rem;
    margin: 0.5em 8rem 0 !important;
    padding: 0;
  }

  .tokushu-lead-row::before,
  .tokushu-lead-row::after {
    display: none;
  }

  .tokushu-lead-row .wrapperprof-fondo-tokushu {
    margin: 0 !important;
  }

  .tokushu-lead-row .wrapperprof-fondo-tokushu::before,
  .tokushu-lead-row .wrapperprof-fondo-tokushu::after {
    display: block;
    width: 460px;
  }

  .tokushu-lead-row .tokushu-lead-figure {
    display: block;
    margin: 0 !important;
  }

  .tokushu-lead-row .tokushu-lead-figure img {
    height: auto;
    object-fit: initial;
  }

  .tokushu-lead-figure-note {
    margin: 0 0 2.4rem;
  }

  .tokushu-lead-row .tokushu-lead-figure::before,
  .tokushu-lead-row .tokushu-lead-figure::after,
  .tokushu-lead-row .tokushu-lead-figure-note::before,
  .tokushu-lead-figure-note__text::before,
  .tokushu-lead-row .tokushu-lead-figure-note::after {
    display: none;
  }
}

.wrapperprof-fondo-tokushu {
  position: relative;
  margin: 0.5em 3rem 0 !important;
  padding: 0.7em 0.4em;
  background: transparent;
  color: #17233c;
  font-size: 1.2rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
}

.wrapperprof-fondo-tokushu::before,
.wrapperprof-fondo-tokushu::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 460px;
  max-width: 95%;
  height: 1px;
  opacity: 0.55;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-deepsea-blue) 25%,
    var(--color-disaster-orange) 75%,
    transparent 100%
  );
}

.wrapperprof-fondo-tokushu::before {
  top: 0;
}

.wrapperprof-fondo-tokushu::after {
  bottom: 0;
}

.wrapperprof-fondo-tokushu p {
  margin: 0 !important;
  font-weight: 550 !important;
}

@media screen and (max-width: 520px) {
  .wrapperprof-fondo-tokushu {
    margin: 0.5em 15px 0 !important;
    padding: 0.5em 0.2em;
    font-size: 1rem;
    line-height: 1.95;
  }
}

/* リード文に添える図版（司馬江漢「地道図」など） */
.tokushu-lead-figure {
  position: relative;
  margin: 1.8rem 3rem 2.4rem !important;
}

.tokushu-lead-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #eaebef;
  border-radius: 6px;
  box-shadow: 0 6px 16px rgba(20, 30, 60, 0.06);
}

.tokushu-lead-figure figcaption {
  margin: 0.6em 0 0;
  padding: 0;
  font-size: 0.85rem;
  font-weight: 550;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: #222;
}

.tokushu-lead-figure__credit {
  display: block;
  margin-top: 0.4em;
  font-size: 0.85em;
  font-weight: 500;
  color: #666;
}

@media screen and (max-width: 520px) {
  .tokushu-lead-figure {
    margin: 1.5em 15px 2em !important;
  }

  .tokushu-lead-figure figcaption {
    font-size: 0.8rem;
  }

  .tokushu-lead-row {
    margin: 0.5em 15px 0 !important;
  }

  .tokushu-lead-row .tokushu-lead-figure {
    margin: 1.5em 0 2em !important;
  }
}

/* タイトル直後の区切り線（.profile）：共通CSSの余白(padding/margin各15px)をこのページ限定で詰める */
.tokushu-main-title + .profile {
  margin: 0 15px 6px !important;
  padding-bottom: 6px !important;
  border-bottom: 1px solid rgba(34, 74, 92, 0.22) !important;
}

.tokushu-main-title {
  margin: 0 15px 10px;
  text-align: left;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.35;
  color: var(--color-title-blue);
}

.tokushu-main-title-accent {
  color: var(--color-title-blue);
  font-weight: 700;
}

.tokushu-main-title-en {
  display: block;
  margin: 2px 0 0;
  font-family: "Raleway", sans-serif;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-space-navy);
}

.tokushu-lead-heading {
  margin-top: 10px !important;
  margin-bottom: 6px !important;
  margin-left: auto !important;
  margin-right: auto !important;
  width: fit-content;
  max-width: calc(100% - 6rem);
  text-align: center;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 18px !important;
  font-weight: 700;
  line-height: 1.7;
  background: linear-gradient(
    90deg,
    var(--color-deepsea-blue) 0%,
    var(--color-disaster-orange) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

@media screen and (max-width: 900px) {
  .tokushu-lead-heading {
    font-size: 2rem;
  }
}

@media screen and (max-width: 560px) {
  .tokushu-lead-heading {
    font-size: 1.7rem;
  }
}

/* ==========================================================
   EARTH JOURNEY — 多彩な〈知〉で描き出す地球の姿
   1枚のイラスト(tokusyu50_bg.jpg)の上に、タイムライン形式で
   4名の研究者を紹介するセクション
   ========================================================== */

.earth-journey {
  position: relative;
  margin: 0;
}

/* ---- 1枚のイラスト ---- */

.earth-journey__scene {
  position: relative;
  margin: 0;
  overflow: visible;
}

.earth-journey__visual {
  position: relative;
}

.earth-journey__photo {
  display: block;
  width: 100%;
  height: auto;
}

/* ---- 見出し：タイムラインの中心線の位置に、縦書きで重ねるインパクト大見出し ---- */

.earth-journey__heading {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 !important;
  padding: 0 0 12% 0;
  pointer-events: none;
}

.earth-journey__heading-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5em 0.2em;
  background: linear-gradient(
    to bottom,
    var(--color-space-navy) 0%,
    var(--color-storm-deep) 33%,
    var(--color-deepsea-blue) 66%,
    var(--color-rock-brown) 100%
  );
  border-radius: 10px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.3);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.7rem, 5.2vw, 2.7rem) !important;
  font-weight: 900 !important;
  line-height: 1.6;
  letter-spacing: 0.15em;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

.earth-journey__heading-brackets {
  display: inline-block;
  margin: -0.55em 0;
}

/* ---- タイムライン（写真の上に重ねる） ---- */

.earth-timeline {
  position: absolute;
  inset: 0;
}

.earth-stop {
  position: absolute;
  display: flex;
  align-items: flex-start;
  width: 46%;
  min-width: 0;
  z-index: 2;
}

.earth-stop--left {
  right: 57%;
  flex-direction: row-reverse;
}
.earth-stop--right {
  left: 57%;
  flex-direction: row;
}

.earth-stop--space {
  top: 5%;
}
.earth-stop--atmosphere {
  top: 33%;
}
.earth-stop--ocean {
  top: 57%;
}
.earth-stop--mantle {
  top: 81%;
}

.earth-stop__marker {
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  margin-top: 0.35rem;
  border-radius: 50%;
  background: var(--accent, #fff);
  box-shadow:
    0 0 0 4px rgba(255, 255, 255, 0.3),
    0 0 10px var(--accent, #fff);
}

.earth-stop--left .earth-stop__marker {
  margin-left: 1rem;
}
.earth-stop--right .earth-stop__marker {
  margin-right: 1rem;
}

/* ---- カード（人物紹介） ---- */

.earth-card {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  width: 100%;
  max-width: 280px;
  box-sizing: border-box;
  padding: 0.8rem 0.9rem 0.95rem;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
  color: #2a2a2a;
  text-decoration: none !important;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.earth-card:hover,
.earth-card:focus-visible {
  color: #2a2a2a;
  text-decoration: none !important;
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.3);
}

.earth-card:focus-visible {
  outline: 3px solid var(--accent, #333);
  outline-offset: 3px;
}

.earth-card__photo {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent, #fff);
}

.earth-card__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.earth-card__text {
  flex: 1;
  min-width: 0;
}

.earth-card__theme {
  margin: 0 0 0.4em !important;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.6rem !important;
  font-weight: 700 !important;
  line-height: 1.4 !important;
  color: var(--accent, #fff) !important;
}

.earth-card__body {
  margin: 0 0 0.3em !important;
  font-size: 14px !important;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: #4a4a4a;
}

.earth-card__name {
  margin: 0 !important;
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  color: #1a1a1a;
}

.earth-card__role {
  margin-left: 0.4em;
  font-size: 1.2rem;
  font-weight: 500;
  color: black;
}

.earth-card__field {
  display: inline-block !important;
  text-align: left !important;
  margin: 0.05em 0rem 0rem !important;
  padding: 0.12em 0.7em !important;
  font-size: 1.2rem !important;
  letter-spacing: 0.03em !important;
  color: var(--accent, #333) !important;
  background: white !important;
  border: 1px solid var(--accent, rgba(0, 0, 0, 0.3)) !important;
  border-radius: 999px !important;
}

.earth-card__link-text {
  display: block;
  margin-top: 0.65rem;
  padding-top: 0.45rem;
  border-top: 1px solid var(--accent, #999);
  color: var(--accent, #333);
  font-size: 1.2rem;
  font-weight: 700;
  text-align: right;
}

.earth-card__link-text span {
  display: inline-block;
  transition: transform 0.2s ease;
}

.earth-card:hover .earth-card__link-text span,
.earth-card:focus-visible .earth-card__link-text span {
  transform: translateX(3px);
}

.sasaki-article,
.nakagawa-article,
.mori-article,
.ogiso-article {
  scroll-margin-top: 2rem;
}

.earth-stop--space {
  --accent: var(--color-space-navy);
}
.earth-stop--atmosphere {
  --accent: var(--color-storm-deep);
}
.earth-stop--ocean {
  --accent: var(--color-deepsea-blue);
}
.earth-stop--mantle {
  --accent: var(--color-rock-brown);
}

/* ---- レスポンシブ ---- */

/* 狭い画面でも、カードは背景画像の上に配置する */
@media screen and (max-width: 900px) {
  .earth-stop {
    width: 46%;
  }

  .earth-stop--left {
    right: 55%;
  }

  .earth-stop--right {
    left: 55%;
  }

  .earth-stop--mantle {
    top: 76%;
  }

  .earth-stop--left .earth-stop__marker {
    margin-left: 0.65rem;
  }

  .earth-stop--right .earth-stop__marker {
    margin-right: 0.65rem;
  }

  .earth-card {
    gap: 0.5rem;
    max-width: 210px;
    padding: 0.65rem 0.7rem 0.75rem;
  }

  .earth-card__photo {
    width: 38px;
    height: 38px;
  }

  .earth-card__theme {
    font-size: 1.4rem !important;
  }

  .earth-card__body {
    font-size: 13px !important;
  }
}

@media screen and (max-width: 520px) {
  .earth-journey__visual {
    height: max(520px, 147vw);
    overflow: hidden;
  }

  .earth-journey__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .earth-journey__heading {
    padding-bottom: 4%;
  }

  .earth-journey__heading-text {
    padding: 0.4em 0.15em;
    font-size: clamp(1.35rem, 4.5vw, 1.7rem) !important;
  }

  .earth-stop {
    width: calc(42% - 8px);
  }

  .earth-stop--left {
    right: 55%;
  }

  .earth-stop--right {
    left: 55%;
  }

  .earth-stop--space {
    top: 7%;
  }

  .earth-stop--atmosphere {
    top: 30%;
  }

  .earth-stop--ocean {
    top: 53%;
  }

  .earth-stop--mantle {
    top: 76%;
  }

  .earth-stop__marker {
    position: absolute;
    top: 11px;
    width: 8px;
    height: 8px;
    margin: 0 !important;
    z-index: 3;
  }

  .earth-stop--left .earth-stop__marker {
    right: auto;
    left: calc(50% + 15px);
  }

  .earth-stop--right .earth-stop__marker {
    left: calc(50% - 23px);
  }

  .earth-card {
    position: relative;
    gap: 0.4rem;
    margin-top: 34px;
    padding: 0.55rem 0.4rem 0.65rem;
    border-radius: 9px;
  }

  .earth-card__photo {
    position: absolute;
    top: -34px;
    width: 30px;
    height: 30px;
    border-width: 1px;
    z-index: 3;
  }

  .earth-stop--left .earth-card__photo {
    right: auto;
    left: calc(50% - 23px);
  }

  .earth-stop--right .earth-card__photo {
    left: calc(50% - 7px);
  }

  .earth-card__theme {
    margin-bottom: 0.25em !important;
    font-size: 1.25rem !important;
    line-height: 1.3 !important;
  }

  .earth-card__body {
    display: none;
  }

  .earth-card__name {
    font-size: 1.2rem !important;
    line-height: 1.35;
  }

  .earth-card__role,
  .earth-card__field,
  .earth-card__link-text {
    font-size: 1rem !important;
  }

  .earth-card__field {
    padding: 0.08em 0.5em !important;
  }

  .earth-card__link-text {
    margin-top: 0.35rem;
    padding-top: 0.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .earth-card,
  .earth-card__link-text span {
    transition: none;
  }
}

/* ==========================================================
   NAKAGAWA ARTICLE — 中川 聡 准教授
   ========================================================== */

.nakagawa-article {
  position: relative;
  margin: 4rem 0 1rem;
  padding: 4.5rem 3rem 3.5rem;
  overflow: hidden;
  background: linear-gradient(180deg, #e5f6f8 0%, #f5fcfc 42%, #eaf7f8 100%);
  border-top: 1px solid rgba(4, 62, 87, 0.42);
}

.nakagawa-article::before {
  position: absolute;
  inset: 0 0 auto;
  height: 36rem;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(
      circle at 7% 10%,
      transparent 0 7px,
      rgba(178, 235, 237, 0.42) 7.5px 9px,
      transparent 9.5px
    ),
    radial-gradient(
      circle at 22% 30%,
      transparent 0 3px,
      rgba(172, 237, 239, 0.55) 3.5px 4.5px,
      transparent 5px
    ),
    radial-gradient(
      circle at 38% 14%,
      transparent 0 1.5px,
      rgba(195, 243, 244, 0.58) 2px 3px,
      transparent 3.5px
    ),
    radial-gradient(
      circle at 58% 34%,
      transparent 0 8px,
      rgba(134, 215, 222, 0.4) 8.5px 10px,
      transparent 10.5px
    ),
    radial-gradient(
      circle at 76% 11%,
      transparent 0 4px,
      rgba(145, 225, 230, 0.48) 4.5px 5.5px,
      transparent 6px
    ),
    radial-gradient(
      circle at 92% 27%,
      transparent 0 2px,
      rgba(194, 242, 244, 0.55) 2.5px 3.5px,
      transparent 4px
    ),
    linear-gradient(
      103deg,
      transparent 0 14%,
      rgba(170, 240, 239, 0.13) 24%,
      transparent 36%
    ),
    linear-gradient(
      80deg,
      transparent 0 57%,
      rgba(124, 220, 225, 0.11) 66%,
      transparent 76%
    ),
    radial-gradient(
      ellipse at 50% -12%,
      rgba(145, 235, 232, 0.36),
      transparent 42%
    ),
    linear-gradient(
      180deg,
      #0a6677 0%,
      #06445d 38%,
      #03283d 68%,
      rgba(3, 48, 63, 0) 100%
    );
}

.nakagawa-article__header,
.nakagawa-hero {
  position: relative;
  z-index: 1;
}

.nakagawa-article__header {
  margin-bottom: 1.6rem;
}

.nakagawa-kicker {
  margin: 0 0 1.1rem;
  text-align: center;
}

.nakagawa-kicker__badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 6px 14px rgba(0, 16, 30, 0.34);
}

.nakagawa-kicker__badge-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nakagawa-kicker__badge-text {
  position: relative;
  z-index: 1;
  color: #fff;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 6px rgba(0, 20, 32, 0.55);
}

.nakagawa-article__title {
  margin: 0 0 0.7em !important;
  color: #fff;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 2rem !important;
  font-weight: 700 !important;
  line-height: 1.65 !important;
  text-align: center;
  text-shadow:
    0 0 7px rgba(177, 241, 246, 0.58),
    0 0 18px rgba(63, 190, 207, 0.34),
    0 2px 12px rgba(0, 18, 30, 0.5);
}

.nakagawa-article__title-border {
  width: calc(100% + 6rem);
  height: 4px;
  margin: 0 -3rem 0.9em !important;
  background: url("../img/tokusyu50_title_border.png") no-repeat left top;
  background-size: 100% 4px;
}

.nakagawa-hero {
  width: 60%;
  margin: 0 auto 2.6rem;
}

.nakagawa-hero__frame {
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 14px 30px rgba(2, 35, 54, 0.22);
}

.nakagawa-hero__photo {
  display: block;
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

.nakagawa-hero__caption {
  margin-top: 1rem;
  text-align: center;
}

.nakagawa-hero__name {
  margin: 0 0 0.05em !important;
  color: #102d3a;
  font-size: 2rem !important;
  font-weight: 700;
}

.nakagawa-hero__affiliation {
  margin: 0 !important;
  color: #45616b;
  font-size: 1rem;
}

.nakagawa-article__body {
  max-width: 760px;
  margin: 0 auto 2.8rem;
  color: #172528;
  font-size: 1.02rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
}

.nakagawa-article__body p {
  margin: 0 0 1em !important;
}

.nakagawa-article__subheading {
  position: relative;
  margin: 1em 0 0.6em !important;
  padding-left: 0.8em;
  color: var(--color-deepsea-blue) !important;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.8rem !important;
  font-weight: 700 !important;
  line-height: 1.5 !important;
}

.nakagawa-article__subheading::before {
  position: absolute;
  top: 0.12em;
  bottom: 0.12em;
  left: 0;
  width: 3px;
  border-radius: 99px;
  background: linear-gradient(180deg, #34a7bb, var(--color-deepsea-blue));
  content: "";
}

.nakagawa-figures {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
  gap: 1rem;
  margin: 0 0 2.8rem;
}

.nakagawa-figure {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 1rem 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(7, 89, 133, 0.15);
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(4, 54, 76, 0.08);
}

.nakagawa-figure__frame {
  height: 290px;
  overflow: hidden;
  background: #06283a;
  border-radius: 7px;
}

.nakagawa-figure__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nakagawa-figure--wide .nakagawa-figure__frame img {
  object-position: center;
}

.nakagawa-figure--portrait .nakagawa-figure__frame img {
  object-position: center 42%;
}

.nakagawa-figure figcaption {
  margin-top: 0.8rem;
  color: #3c5259;
  font-size: 0.78rem;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.nakagawa-profile {
  position: relative;
  box-sizing: border-box;
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 24px 20px 28px;
  color: #233b42;
  text-align: left;
  background: #d8ecef;
  border: 1px solid rgba(7, 89, 133, 0.22);
  border-left: 3px solid var(--color-deepsea-blue);
  border-radius: 2px;
  box-shadow: 0 5px 16px rgba(1, 47, 64, 0.07);
}

.nakagawa-profile__name {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 8px !important;
  color: var(--color-deepsea-blue);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.3rem;
  font-weight: bold;
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.nakagawa-profile__name::after {
  flex: 1 1 auto;
  height: 1px;
  background: rgba(7, 89, 133, 0.25);
  content: "";
}

.nakagawa-profile__bio {
  display: block;
  margin: 0 !important;
  color: #2b4046;
  font-size: 0.92rem;
  line-height: 1.85;
}

.nakagawa-article__bottom-frame {
  position: relative;
  z-index: 1;
  margin: 3rem -3rem -3.5rem;
}

.nakagawa-article__bottom-frame img {
  display: block;
  width: auto;
  max-width: none;
  height: auto;
  margin-left: 50%;
  transform: translateX(-50%);
}

@media screen and (max-width: 760px) {
  .nakagawa-figures {
    grid-template-columns: 1fr;
  }

  .nakagawa-figure__frame {
    height: auto;
    aspect-ratio: 16 / 10;
  }

  .nakagawa-figure--portrait .nakagawa-figure__frame {
    aspect-ratio: 4 / 5;
  }
}

@media screen and (max-width: 600px) {
  .nakagawa-article {
    margin: 3rem 0 1rem;
    padding: 3.2rem 15px 2.5rem;
  }

  .nakagawa-article__title {
    font-size: 1.5rem !important;
  }

  .nakagawa-article__title-border {
    width: calc(100% + 30px);
    margin-right: -15px !important;
    margin-left: -15px !important;
  }

  .nakagawa-hero {
    width: 100%;
  }

  .nakagawa-hero__photo {
    max-height: 280px;
  }

  .nakagawa-hero__name {
    font-size: 1.4rem !important;
  }

  .nakagawa-profile {
    padding: 16px 18px;
  }

  .nakagawa-profile__name {
    flex-wrap: wrap;
  }

  .nakagawa-article__bottom-frame {
    margin: 2.5rem -15px -2.5rem;
  }
}

@media screen and (max-width: 520px) {
  .earth-journey__scene {
    margin-bottom: 0;
  }
}

/* ==========================================================
   SASAKI ARTICLE — 佐々木貴教 助教
   ========================================================== */

.sasaki-article {
  position: relative;
  margin: 0 0 1rem;
  padding: 4.5rem 3rem 3.5rem;
  overflow: hidden;
  background: linear-gradient(180deg, #eaf5fa 0%, #f7fcfe 42%, #edf6fa 100%);
  border-top: 1px solid rgba(17, 44, 76, 0.35);
}

.sasaki-article::before {
  position: absolute;
  inset: 0 0 auto;
  height: 36rem;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(
      circle at 10% 17%,
      rgba(255, 255, 255, 0.95) 0 1px,
      transparent 1.5px
    ),
    radial-gradient(
      circle at 24% 34%,
      rgba(146, 215, 244, 0.9) 0 1px,
      transparent 1.7px
    ),
    radial-gradient(
      circle at 41% 12%,
      rgba(255, 255, 255, 0.8) 0 1px,
      transparent 1.5px
    ),
    radial-gradient(
      circle at 63% 27%,
      rgba(180, 225, 246, 0.9) 0 1px,
      transparent 1.7px
    ),
    radial-gradient(
      circle at 78% 10%,
      rgba(255, 255, 255, 0.9) 0 1px,
      transparent 1.5px
    ),
    radial-gradient(
      circle at 91% 35%,
      rgba(129, 203, 235, 0.9) 0 1px,
      transparent 1.7px
    ),
    radial-gradient(
      circle at 82% 0%,
      rgba(39, 132, 180, 0.38),
      transparent 25rem
    ),
    radial-gradient(
      circle at 12% 5%,
      rgba(73, 95, 171, 0.3),
      transparent 22rem
    ),
    linear-gradient(180deg, #0b1730 0%, #16375b 66%, rgba(35, 82, 109, 0) 100%);
}

.sasaki-article__header {
  position: relative;
  z-index: 1;
  margin-bottom: 1.6rem;
}

.sasaki-article__title-border {
  width: calc(100% + 6rem);
  height: 4px;
  margin: 0 -3rem 0.9em !important;
  background: url("../img/tokusyu50_title_border.png") no-repeat left top;
  background-size: 100% 4px;
}

.sasaki-kicker {
  margin: 0 0 1.1rem;
  text-align: center;
}

.sasaki-kicker__badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.2);
}

.sasaki-kicker__badge-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sasaki-kicker__badge-text {
  position: relative;
  z-index: 1;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #fff;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

.sasaki-article__title {
  margin: 0 0 0.7em !important;
  text-align: center;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 2rem !important;
  font-weight: 700 !important;
  line-height: 1.65 !important;
  color: #fff;
  text-shadow:
    0 0 7px rgba(178, 222, 255, 0.58),
    0 0 18px rgba(69, 145, 211, 0.34),
    0 2px 12px rgba(1, 10, 28, 0.5);
}

/* ---- ヒーロー写真 ---- */

.sasaki-hero {
  position: relative;
  z-index: 1;
  width: 60%;
  margin: 0 auto 2.6rem;
}

.sasaki-hero__frame {
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 14px 30px rgba(10, 27, 52, 0.2);
}

.sasaki-hero__photo {
  display: block;
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

.sasaki-hero__caption {
  margin-top: 1rem;
  text-align: center;
}

.sasaki-hero__name {
  margin: 0 0 0.05em !important;
  font-size: 2rem !important;
  font-weight: 700;
  color: #1a1a1a;
}

.sasaki-hero__affiliation {
  margin: 0 !important;
  font-size: 1rem;
  color: #555;
}

/* ---- 図版ギャラリー ---- */

.sasaki-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
  margin: 0 0 2.8rem;
}

.sasaki-figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  padding: 1.1rem 1.1rem 1.3rem;
  background: #fff;
  border: 1px solid #eaebef;
  border-radius: 10px;
  box-shadow: 0 6px 16px rgba(20, 30, 60, 0.06);
}

.sasaki-figure__frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  margin-bottom: 0.9rem;
  border-radius: 6px;
  overflow: hidden;
}

.sasaki-figure__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sasaki-figure:last-child {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.75fr);
  gap: 1.4rem;
  align-items: center;
}

.sasaki-figure:last-child .sasaki-figure__frame {
  margin-bottom: 0;
}

.sasaki-figure:last-child figcaption {
  margin-top: 0;
}

.sasaki-figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: #4a4a4a;
}

.sasaki-figure__label {
  display: inline-block;
  margin: 0 0.5em 0.2em 0;
  padding: 0.08em 0.65em;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  background: var(--color-space-navy);
  border-radius: 3px;
  vertical-align: middle;
}

/* ---- 本文 ---- */

.sasaki-article__body {
  max-width: 760px;
  margin: 0 auto 2.8rem;
  font-size: 1.02rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: #222;
}

.sasaki-article__body p {
  margin: 0 0 1em !important;
}

.sasaki-article__subheading {
  position: relative;
  margin: 1em 0 0.6em !important;
  padding-left: 0.8em;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.8rem !important;
  font-weight: 700 !important;
  line-height: 1.5 !important;
  color: var(--color-space-navy) !important;
}

.sasaki-article__subheading::before {
  position: absolute;
  top: 0.12em;
  bottom: 0.12em;
  left: 0;
  width: 3px;
  border-radius: 99px;
  background: linear-gradient(180deg, #4b91d3, var(--color-space-navy));
  content: "";
}

/* ---- プロフィール ---- */

.sasaki-profile {
  position: relative;
  box-sizing: border-box;
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 24px 20px 28px;
  color: #333;
  text-align: left;
  background: #e0ebf4;
  border: 1px solid rgba(24, 42, 77, 0.2);
  border-left: 3px solid var(--color-space-navy);
  border-radius: 2px;
  box-shadow: 0 5px 16px rgba(0, 0, 0, 0.055);
}

.sasaki-profile__name {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 8px !important;
  color: var(--color-space-navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.3rem;
  font-weight: bold;
  letter-spacing: 0.08em;
  line-height: 1.4;
}

.sasaki-profile__name::after {
  flex: 1 1 auto;
  height: 1px;
  background: #cececa;
  content: "";
}

.sasaki-profile__bio {
  display: block;
  margin: 0 !important;
  font-size: 0.92rem;
  line-height: 1.85;
  color: #333;
}

.sasaki-article__bottom-frame {
  position: relative;
  z-index: 1;
  margin: 3rem -3rem -3.5rem;
}

.sasaki-article__bottom-frame img {
  display: block;
  width: auto;
  max-width: none;
  height: auto;
  margin-left: 50%;
  transform: translateX(-50%);
}

/* ---- レスポンシブ ---- */

@media screen and (max-width: 760px) {
  .sasaki-figures {
    grid-template-columns: 1fr;
  }

  .sasaki-figure:last-child {
    grid-column: auto;
    display: flex;
  }

  .sasaki-figure:last-child .sasaki-figure__frame {
    margin-bottom: 0.9rem;
  }

  .sasaki-figure:last-child figcaption {
    margin-top: 0.6rem;
  }
}

@media screen and (max-width: 600px) {
  .sasaki-article {
    margin: 0 0 1rem;
    padding: 3.2rem 15px 2.5rem;
  }

  .sasaki-article__title {
    font-size: 1.5rem !important;
  }

  .sasaki-figures {
    grid-template-columns: 1fr;
  }

  .sasaki-hero {
    width: 100%;
  }

  .sasaki-hero__photo {
    max-height: 280px;
  }

  .sasaki-hero__name {
    font-size: 1.4rem;
  }

  .sasaki-profile {
    padding: 16px 18px;
  }

  .sasaki-profile__name {
    flex-wrap: wrap;
  }

  .sasaki-article__bottom-frame {
    margin: 2.5rem -15px -2.5rem;
  }
}

/* ==========================================================
   MORI ARTICLE — 森 信人 教授
   ========================================================== */

.mori-article {
  position: relative;
  margin: 4rem 0 1rem;
  padding: 4.5rem 3rem 3.5rem;
  overflow: hidden;
  background: linear-gradient(180deg, #fff3e9 0%, #fffaf6 42%, #fff0e6 100%);
  border-top: 1px solid rgba(128, 64, 34, 0.34);
}

.mori-article::before {
  position: absolute;
  inset: 0 0 auto;
  height: 36rem;
  pointer-events: none;
  content: "";
  background:
    repeating-linear-gradient(
      118deg,
      transparent 0 28px,
      rgba(255, 255, 255, 0.045) 29px 30px
    ),
    radial-gradient(
      circle at 88% 4%,
      rgba(232, 106, 51, 0.6),
      transparent 19rem
    ),
    radial-gradient(
      circle at 12% 0%,
      rgba(106, 163, 164, 0.45),
      transparent 24rem
    ),
    linear-gradient(180deg, #142a37 0%, #3f6f68 66%, rgba(74, 119, 106, 0) 100%);
}

.mori-article__header,
.mori-hero {
  position: relative;
  z-index: 1;
}

.mori-article__header {
  margin-bottom: 1.6rem;
}

.mori-kicker {
  margin: 0 0 1.1rem;
  text-align: center;
}

.mori-kicker__badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 6px 14px rgba(29, 40, 38, 0.34);
}

.mori-kicker__badge-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mori-kicker__badge-text {
  position: relative;
  z-index: 1;
  color: #fff;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 6px rgba(38, 30, 22, 0.55);
}

.mori-article__title {
  margin: 0 0 0.7em !important;
  color: #fff;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 2rem !important;
  font-weight: 700 !important;
  line-height: 1.65 !important;
  text-align: center;
  text-shadow:
    0 0 7px rgba(255, 218, 183, 0.58),
    0 0 18px rgba(232, 106, 51, 0.34),
    0 2px 12px rgba(15, 32, 36, 0.52);
}

.mori-article__title-border {
  width: calc(100% + 6rem);
  height: 4px;
  margin: 0 -3rem 0.9em !important;
  background: url("../img/tokusyu50_title_border.png") no-repeat left top;
  background-size: 100% 4px;
}

.mori-hero {
  width: 60%;
  margin: 0 auto 2.6rem;
}

.mori-hero__frame {
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 14px 30px rgba(47, 52, 43, 0.2);
}

.mori-hero__photo {
  display: block;
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

.mori-hero__caption {
  margin-top: 1rem;
  text-align: center;
}

.mori-hero__name {
  margin: 0 0 0.05em !important;
  color: #283933;
  font-size: 2rem !important;
  font-weight: 700;
}

.mori-hero__affiliation {
  margin: 0 !important;
  color: #59655f;
  font-size: 1rem;
}

.mori-article__body {
  max-width: 760px;
  margin: 0 auto 2.8rem;
  color: #292c2a;
  font-size: 1.02rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
}

.mori-article__body p {
  margin: 0 0 1em !important;
}

.mori-article__subheading {
  position: relative;
  margin: 1em 0 0.6em !important;
  padding-left: 0.8em;
  color: #b84e25 !important;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.8rem !important;
  font-weight: 700 !important;
  line-height: 1.5 !important;
}

.mori-article__subheading::before {
  position: absolute;
  top: 0.12em;
  bottom: 0.12em;
  left: 0;
  width: 3px;
  border-radius: 99px;
  background: linear-gradient(180deg, #ee8a55, var(--color-disaster-orange));
  content: "";
}

.mori-simulation-figure,
.mori-field-figure {
  margin: 0 auto 2.8rem;
  padding: 1rem 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(184, 78, 37, 0.16);
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(87, 62, 44, 0.08);
}

.mori-simulation-figure {
  box-sizing: border-box;
  float: left;
  width: 45%;
  max-width: 340px;
  margin: 0.3rem 1.5rem 0 0;
}

.mori-field-figure {
  box-sizing: border-box;
  float: right;
  width: 44%;
  max-width: none;
  margin: 0.3rem 0 1.2rem 1.5rem;
}

.mori-article__body--simulation,
.mori-article__body--field {
  display: flow-root;
}

.mori-article__body--simulation {
  margin-bottom: 1.2rem;
}

.mori-simulation-figure__link {
  display: block;
  cursor: zoom-in;
}

.mori-simulation-figure__frame,
.mori-field-figure__frame {
  overflow: hidden;
  background: #f5f7f7;
  border-radius: 7px;
}

.mori-simulation-figure__frame img,
.mori-field-figure__frame img {
  display: block;
  width: 100%;
  height: auto;
}

.mori-simulation-figure figcaption,
.mori-field-figure figcaption {
  margin-top: 0.8rem;
  color: #554b45;
  font-size: 0.78rem;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.mori-profile {
  position: relative;
  box-sizing: border-box;
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 24px 20px 28px;
  color: #46372f;
  text-align: left;
  background: #f5e2d4;
  border: 1px solid rgba(184, 78, 37, 0.2);
  border-left: 3px solid var(--color-disaster-orange);
  border-radius: 2px;
  box-shadow: 0 5px 16px rgba(88, 52, 31, 0.07);
}

.mori-profile__name {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 8px !important;
  color: #b84e25;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.3rem;
  font-weight: bold;
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.mori-profile__name::after {
  flex: 1 1 auto;
  height: 1px;
  background: rgba(184, 78, 37, 0.25);
  content: "";
}

.mori-profile__bio {
  display: block;
  margin: 0 !important;
  color: #483b34;
  font-size: 0.92rem;
  line-height: 1.85;
}

.mori-article__bottom-frame {
  position: relative;
  z-index: 1;
  margin: 3rem -3rem -3.5rem;
}

.mori-article__bottom-frame img {
  display: block;
  width: auto;
  max-width: none;
  height: auto;
  margin-left: 50%;
  transform: translateX(-50%);
}

@media screen and (max-width: 600px) {
  .mori-article {
    margin: 3rem 0 1rem;
    padding: 3.2rem 15px 2.5rem;
  }

  .mori-article__title {
    font-size: 1.5rem !important;
  }

  .mori-hero {
    width: 100%;
  }

  .mori-hero__photo {
    max-height: 280px;
  }

  .mori-hero__name {
    font-size: 1.4rem !important;
  }

  .mori-article__body--simulation {
    margin-bottom: 1.2rem;
  }

  .mori-article__body--simulation > p:last-child {
    margin-bottom: 0 !important;
  }

  .mori-article__body--field .mori-article__subheading {
    margin-top: 0 !important;
  }

  .mori-simulation-figure {
    float: none;
    width: 100%;
    max-width: none;
    margin: 0 0 1.5rem;
  }

  .mori-field-figure {
    float: none;
    width: 100%;
    margin: 0 0 1.5rem;
  }

  .mori-profile {
    padding: 16px 18px;
  }

  .mori-profile__name {
    flex-wrap: wrap;
  }

  .mori-article__bottom-frame {
    margin: 2.5rem -15px -2.5rem;
  }
}

/* ==========================================================
   OGISO ARTICLE — 小木曽 哲 教授
   ========================================================== */

.ogiso-article {
  position: relative;
  margin: 4rem 0 1rem;
  padding: 4.5rem 3rem 3.5rem;
  overflow: hidden;
  background: linear-gradient(180deg, #f3f1e9 0%, #fbfaf6 42%, #f1efe5 100%);
  border-top: 1px solid rgba(83, 71, 54, 0.38);
}

.ogiso-article::before {
  position: absolute;
  inset: 0 0 auto;
  height: 36rem;
  pointer-events: none;
  content: "";
  background:
    url("../img/tokusyu50_ogiso_pattern_sparse.svg") center top / cover no-repeat,
    radial-gradient(
      circle at 86% 0%,
      rgba(129, 151, 80, 0.36),
      transparent 22rem
    ),
    radial-gradient(
      circle at 10% 0%,
      rgba(132, 101, 69, 0.3),
      transparent 24rem
    ),
    linear-gradient(180deg, #252923 0%, #565548 66%, rgba(100, 97, 75, 0) 100%);
}

.ogiso-article__header,
.ogiso-hero {
  position: relative;
  z-index: 1;
}

.ogiso-article__header {
  margin-bottom: 1.6rem;
}

.ogiso-kicker {
  margin: 0 0 1.1rem;
  text-align: center;
}

.ogiso-kicker__badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 6px 14px rgba(31, 37, 31, 0.34);
}

.ogiso-kicker__badge-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ogiso-kicker__badge-text {
  position: relative;
  z-index: 1;
  color: #fff;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 6px rgba(34, 33, 24, 0.6);
}

.ogiso-article__title {
  margin: 0 0 0.7em !important;
  color: #fff;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 2rem !important;
  font-weight: 700 !important;
  line-height: 1.65 !important;
  text-align: center;
  text-shadow:
    0 0 7px rgba(225, 235, 180, 0.56),
    0 0 18px rgba(151, 169, 91, 0.32),
    0 2px 12px rgba(21, 27, 24, 0.52);
}

.ogiso-article__title-border {
  width: calc(100% + 6rem);
  height: 4px;
  margin: 0 -3rem 0.9em !important;
  background: url("../img/tokusyu50_title_border.png") no-repeat left top;
  background-size: 100% 4px;
}

.ogiso-hero {
  width: 60%;
  margin: 0 auto 2.6rem;
}

.ogiso-hero__frame {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.48);
  border-radius: 12px;
  box-shadow: 0 14px 30px rgba(39, 43, 34, 0.22);
}

.ogiso-hero__photo {
  display: block;
  width: 100%;
  max-height: 480px;
  object-fit: cover;
}

.ogiso-hero__caption {
  margin-top: 1rem;
  text-align: center;
}

.ogiso-hero__name {
  margin: 0 0 0.05em !important;
  color: #30372e;
  font-size: 2rem !important;
  font-weight: 700;
}

.ogiso-hero__affiliation {
  margin: 0 !important;
  color: #62665b;
  font-size: 1rem;
}

.ogiso-article__body {
  max-width: 760px;
  margin: 0 auto 2.8rem;
  color: #2d2e2a;
  font-size: 1.02rem;
  line-height: 1.9;
  letter-spacing: 0.02em;
}

.ogiso-article__body p {
  margin: 0 0 1em !important;
}

.ogiso-article__subheading {
  position: relative;
  margin: 1em 0 0.6em !important;
  padding-left: 0.8em;
  color: var(--color-rock-brown) !important;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.8rem !important;
  font-weight: 700 !important;
  line-height: 1.5 !important;
}

.ogiso-article__subheading::before {
  position: absolute;
  top: 0.12em;
  bottom: 0.12em;
  left: 0;
  width: 3px;
  border-radius: 99px;
  background: linear-gradient(180deg, #9ba45d, var(--color-rock-brown));
  content: "";
}

.ogiso-figures {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  grid-template-areas:
    "pressure sample"
    "pressure rock";
  gap: 1rem;
  margin: 0 0 2.8rem;
}

.ogiso-figure {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 1rem 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(117, 96, 82, 0.18);
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(69, 61, 46, 0.08);
}

.ogiso-figure--pressure {
  grid-area: pressure;
}

.ogiso-figure--sample {
  grid-area: sample;
}

.ogiso-figure--rock {
  grid-area: rock;
}

.ogiso-figure__frame {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #f1f2eb;
  border-radius: 7px;
}

.ogiso-figure--pressure .ogiso-figure__frame {
  height: 520px;
}

.ogiso-figure--sample .ogiso-figure__frame,
.ogiso-figure--rock .ogiso-figure__frame {
  height: 220px;
}

.ogiso-figure__frame img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.ogiso-figure figcaption {
  margin-top: 0.8rem;
  color: #514f46;
  font-size: 0.78rem;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.ogiso-profile {
  position: relative;
  box-sizing: border-box;
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 24px 20px 28px;
  color: #423f36;
  text-align: left;
  background: #e5e3d4;
  border: 1px solid rgba(117, 96, 82, 0.22);
  border-left: 3px solid var(--color-rock-brown);
  border-radius: 2px;
  box-shadow: 0 5px 16px rgba(68, 61, 44, 0.07);
}

.ogiso-profile__name {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 8px !important;
  color: var(--color-rock-brown);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.3rem;
  font-weight: bold;
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.ogiso-profile__name::after {
  flex: 1 1 auto;
  height: 1px;
  background: rgba(117, 96, 82, 0.28);
  content: "";
}

.ogiso-profile__bio {
  display: block;
  margin: 0 !important;
  color: #454139;
  font-size: 0.92rem;
  line-height: 1.85;
}

.ogiso-article__bottom-frame {
  position: relative;
  z-index: 1;
  margin: 3rem -3rem -3.5rem;
}

.ogiso-article__bottom-frame img {
  display: block;
  width: auto;
  max-width: none;
  height: auto;
  margin-left: 50%;
  transform: translateX(-50%);
}

@media screen and (max-width: 760px) {
  .ogiso-figures {
    grid-template-columns: 1fr;
    grid-template-areas:
      "pressure"
      "sample"
      "rock";
  }

  .ogiso-figure--pressure .ogiso-figure__frame {
    height: min(520px, 115vw);
  }

  .ogiso-figure--sample .ogiso-figure__frame,
  .ogiso-figure--rock .ogiso-figure__frame {
    height: auto;
    min-height: 220px;
  }
}

@media screen and (max-width: 600px) {
  .ogiso-article {
    margin: 3rem 0 1rem;
    padding: 3.2rem 15px 2.5rem;
  }

  .ogiso-article__title {
    font-size: 1.5rem !important;
  }

  .ogiso-hero {
    width: 100%;
  }

  .ogiso-hero__photo {
    max-height: 280px;
  }

  .ogiso-hero__name {
    font-size: 1.4rem !important;
  }

  .ogiso-profile {
    padding: 16px 18px;
  }

  .ogiso-profile__name {
    flex-wrap: wrap;
  }

  .ogiso-article__bottom-frame {
    margin: 2.5rem -15px -2.5rem;
  }
}

@media screen and (max-width: 600px) {
  .sasaki-article__title-border,
  .nakagawa-article__title-border,
  .mori-article__title-border,
  .ogiso-article__title-border {
    width: calc(100% + 30px);
    margin-right: -15px !important;
    margin-left: -15px !important;
  }
}

/* 記事同士の間隔のみを詰める（最初の記事の上余白は維持） */
.sasaki-article + .nakagawa-article,
.nakagawa-article + .mori-article,
.mori-article + .ogiso-article {
  margin-top: 0;
}

.sasaki-article,
.nakagawa-article,
.mori-article,
.ogiso-article {
  margin-bottom: 0;
}

/* 4記事のキャプションを読みやすいサイズに統一 */
.sasaki-figure figcaption,
.nakagawa-figure figcaption,
.mori-simulation-figure figcaption,
.mori-field-figure figcaption,
.ogiso-figure figcaption {
  font-size: 1.2rem;
  line-height: 1.75;
}

.sasaki-figure__label {
  font-size: 0.9rem;
}