/* =========================================================
   Message
   ========================================================= */
.sg-message {
  padding: 0 0 50px;
}

/* hero */
.sg-message .sgm-hero {
  padding-bottom: 30px;
}

.sg-message .sgm-hero-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.sg-message .sgm-hero-img {
  width: 100%;
  height: auto;
  display: block;
}

/* 画像左上のコピー */
.sg-message .sgm-hero-copy {
  position: absolute;
  left: 50px;
  top: 80px;
  margin: 0;
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-weight: 500;
  font-size: clamp(18px, 6vw, 35px);
  letter-spacing: .08em;
  color: #fff;
}

/* -------------------------
   メッセージ
   ------------------------- */
.sg-message .sgm-message {
  padding-bottom: 30px;
}

.sgm-message .sgm-message-inner {
  display: block;
}

.sgm-message .sgm-message-body {
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  line-height: 2.2;
  letter-spacing: .02em;
  margin: 0 0 18px;
}

/* 署名（右寄せ） */
.sgm-message .sgm-sign {
  margin-top: 18px;
  text-align: right;
  line-height: 1.6;
}

.sgm-message .sgm-sign-company {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: .02em;
}

.sgm-message .sgm-sign-title {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .15em;
}

.sgm-message .sgm-sign-name {
  margin-top: 6px;
}

.sgm-message .sgm-sign-svg {
  display: inline-block;
  width: 130px;
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

/* フォールバック用のテキストは普段は隠す */
.sgm-message .sgm-sign-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* -------------------------
   History
   ------------------------- */
.sg-message .sgm-history {
  padding-top: 40px;
  padding-bottom: 30px;
}

.sgm-history .sgm-history-title {
  margin: 0 0 20px;
  font-size: 40px;
}

/* タイムラインの縦線（全体） */
.sgm-history .sgm-timeline {
  position: relative;
  padding-left: 24px;
}

.sgm-history .sgm-timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 20px;
  bottom: 20px;
  width: 1px;
  background: rgba(0, 0, 0, .35);
}

/* 各行：左（年）＋中央（文）＋右（画像） */
.sgm-history .sgm-item {
  display: grid;
  grid-template-columns: 150px 1fr 320px;
  gap: 16px 30px;
  padding: 12px 0 70px;
  align-items: start;
}

/* 左：年・サブ */
.sgm-history .sgm-year {
  position: relative;
  padding-left: 12px;
}

.sgm-history .sgm-dot {
  position: absolute;
  z-index: 2;
  left: -24px;
  top: 20px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: #2f4482;
}

.sgm-history .sgm-year-num {
  display: block;
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 45px;
  letter-spacing: .04em;
  color: #2f4482;
  line-height: 1.1;
}

.sgm-history .sgm-year-sub {
  display: block;
  margin-top: 6px;
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 16px;
  font-weight: 500;
}

/* 中央：タイトル＋本文 */
.sgm-history .sgm-item-title {
  margin: 0 0 10px;
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 32px;
  font-weight: 500;
  letter-spacing: .05em;
  line-height: 1.5;
  border-bottom: 1px solid rgba(0, 0, 0, .35);
}

.sgm-history .sgm-item-text {
  margin: 0;
  line-height: 2.0;
}

/* 右：写真枠（未設定ならグレーのダミー） */
.sgm-history .sgm-photo {
  width: 100%;
  padding-top: 20px;
}

.sgm-history .sgm-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;  
}

/* -------------------------
   Responsive
------------------------- */

/* 980px以下：右画像を少し細く */
@media (max-width: 980px) {
  .sgm-item {
    grid-template-columns: 140px 1fr 280px;
  }
}

/* 600px以下：1カラム（画像は下へ） */
@media (max-width: 600px) {
  .sg-message .sgm-hero-copy {
    left: 12px;
    top: 12px;
  }

  .sgm-hero-inner {
    min-height: 320px;
  }

  .sgm-hero-catch {
    left: 18px;
    top: 18px;
    font-size: 18px;
  }

  .sgm-hero-photo {
    width: 44%;
  }

  .sgm-message-body {
    font-size: 13px;
    line-height: 2.1;
  }

  .sgm-item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 14px 0 18px;
  }

  .sgm-year {
    padding-left: 0;
  }

  .sgm-dot {
    left: -24px;
    top: 8px;
  }

  .sgm-photo {
    max-width: 520px;
  }
}

/* 520px以下：人物を下寄せ＆見やすく */
@media (max-width: 520px) {

  .sgm-hero-inner {
    min-height: 280px;
  }

  .sgm-hero-photo {
    width: 52%;
  }
}