@charset "UTF-8";

/* ==========================================================================
 * # BASE ROOT (本体 /common/css/common.css と計算式を完全同期)
 * ========================================================================== */
html {
  font-size: 62.5% !important; /* 1rem = 10px 換算 */
  font-weight: 300;
  font-style: normal;
  font-family: 'Noto Sans JP', "ヒラギノ角ゴ ProN W3", Hiragino Kaku Gothic ProN, Arial, "メイリオ", Meiryo, sans-serif;
  -webkit-text-size-adjust: 100%;
  color: #000000;
  box-sizing: border-box;
}

body {
  line-height: 1;
  margin: 0;
  padding: 0;
  background-color: #ebf3f4;
}

/* ==========================================================================
 * # COLUMN CONTENT (コラムメイン領域のスタイル)
 * ========================================================================== */
.clm-content {
  line-height: 1.6;
}

.clm-content img {
  max-width: 100%;
  height: auto;
}

.clm-content * {
  box-sizing: border-box;
}

/* メインコンテンツ位置調整 */
main#columnTop,
main {
  margin-top: 100px;
}

@media (max-width: 768px) {
  main#columnTop,
  main {
    margin-top: 50px;
  }
}

/* レスポンシブ表示切り替え */
@media (max-width: 767px) {
  .clm-content .pc { display: none !important; }
}
@media (min-width: 768px) {
  .clm-content .sp { display: none !important; }
}

/* コラム用基本フォントサイズ定義 */
.clm-content .header_nav li, 
.clm-content .footer_txt, 
.clm-content .icon_new, 
.clm-content .message_list li .day {
  font-size: 1.4rem; /* 14px */
}

.clm-content .message_ttl p, 
.clm-content .foot_btn, 
.clm-content .btn_bgw, 
.clm-content .article_summary-list li a {
  font-size: 1.8rem; /* 18px */
}

.clm-content #kv p {
  font-size: 2.08rem; /* 20.8px */
}

.clm-content .message_ttl h3 {
  font-size: 3.0rem; /* 30px */
}

/* コンテナ設定 */
.clm-content .container {
  max-width: 980px;
  width: 100%;
  margin: auto;
}
@media (max-width: 767px) {
  .clm-content .container {
    padding-left: 1.6rem;
    padding-right: 1.6rem;
  }
}

/* ページトップボタン */
.clm-content .btn_pagetop {
  width: 46px;
  position: fixed;
  bottom: 20px;
  right: 20px;
  transition: all .3s;
  z-index: 1;
}
.clm-content .btn_pagetop:hover {
  bottom: 24px;
}
@media (max-width: 767px) {
  .clm-content .btn_pagetop {
    width: 9vw;
  }
}

/* メインキービジュアル (#kv) */
.clm-content #kv {
  background: url(/corp/column/images/kv_bg.png) no-repeat top center;
  background-size: cover;
}
@media (max-width: 767px) {
  .clm-content #kv {
    background: url(/corp/column/images/kv_sp.png) no-repeat top center;
    background-size: cover;
    height: 100vw;
  }
}
.clm-content #kv h2 {
  font-weight: bold;
  font-size: 3.76rem; /* 37.6px */
  line-height: 1.2;
}
@media (max-width: 767px) {
  .clm-content #kv h2 {
    font-size: 9vw;
  }
}
.clm-content #kv h2 small {
  font-size: 50%;
}
.clm-content #kv picture {
  width: 500px;
  margin-left: 7rem;
}
.clm-content #kv .kv_container {
  color: white;
}
@media (min-width: 768px) {
  .clm-content #kv .kv_container {
    display: flex;
    align-items: center;
    width: 1070px;
    height: 300px;
    margin: auto;
    padding-left: 46px;
  }
}
@media (max-width: 767px) {
  .clm-content #kv .kv_container {
    text-align: center;
  }
}

/* ==========================================================================
 * 5. 記事一覧 (message_wrap / message_list) 体裁・余白調整
 * ========================================================================== */
.clm-content .message_wrap {
  background-color: white;
  border-radius: 2rem;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  margin: -3rem auto 4rem;
}

.clm-content .message_ttl {
  text-align: center;
  padding: 2rem 3rem 3rem;
  position: relative;
}
.clm-content .message_ttl p {
  line-height: 2;
  position: relative;
  z-index: 1;
}
.clm-content .message_ttl h3 {
  color: #1aa1a9;
  font-weight: bold;
}
.clm-content .message_ttl:before {
  content: url(/corp/column/images/mess_bg.png);
  width: 65px;
  position: absolute;
  top: 3rem;
  left: 4rem;
}
@media (max-width: 767px) {
  .clm-content .message_ttl:before {
    transform: scale(0.6);
    top: 1.2rem;
    left: 1rem;
  }
}
.clm-content .message_ttl:after {
  content: url(/corp/column/images/mess_bg.png);
  width: 65px;
  position: absolute;
  bottom: 3rem;
  right: 4rem;
  transform: rotate(180deg);
  z-index: 0;
}
@media (max-width: 767px) {
  .clm-content .message_ttl:after {
    transform: rotate(180deg) scale(0.6);
    bottom: 1rem;
    right: 1rem;
  }
}

.clm-content .icon_new {
  background-image: linear-gradient(90deg, #ff6f72, #ff4848);
  color: white;
  border-radius: 1em;
  padding: 4px 0.8em;
  margin-right: 0.8em;
  display: inline-block;
  line-height: 1;
  letter-spacing: 0.1em;
  vertical-align: middle;
}

@media (min-width: 768px) {
  .clm-content .message_list {
    padding-bottom: 2rem;
  }
}

/* カード要素全体（右側余白を確保して矢印被りを防止） */
.clm-content .message_list li {
  border-top: dotted 1px #cccccc;
  padding: 2.4rem 8.0rem 2.4rem 3rem;
  color: #999999;
  position: relative;
  transition: all .3s;
}
@media (max-width: 767px) {
  .clm-content .message_list li {
    padding: 2.0rem 6.5rem 2.0rem 1.8rem;
  }
}

/* タイトル (dt) */
.clm-content .message_list li dt {
  font-size: 2.4rem; /* 24px */
  font-weight: bold;
  line-height: 1.5;
  color: #1aa1a9;
}
@media (max-width: 767px) {
  .clm-content .message_list li dt {
    font-size: 1.9rem;
    line-height: 1.45;
  }
}

/* メイン説明文 (dd) */
.clm-content .message_list li dd {
  font-size: 1.6rem; /* 16px */
  line-height: 1.85;
  color: #333333;
  margin-top: 1.0rem;
}

/* サブ概要ブロック (dd.ttl-sub) */
.clm-content .ttl-sub {
  font-size: 1.5rem !important; /* 15px */
  line-height: 1.75 !important;
  color: #444444;
  border-radius: 0.6rem;
  background-color: rgba(26, 161, 169, 0.12);
  padding: 1.4rem 1.8rem;
  width: 100%;
  border: 2px solid #ffffff;
  margin-top: 1.4rem !important;
  display: block;
}

.clm-content .num {
  font-size: 90%;
  margin-right: 0.4rem;
}

.clm-content .message_list li .day {
  font-weight: bold;
  margin-bottom: 0.5em;
}

.clm-content .message_list li a dt {
  color: #1aa1a9;
}

/* 右矢印アイコン位置 */
.clm-content .message_list li a:after {
  content: url(/corp/column/images/btn_ar-on.svg);
  display: inline-block;
  width: 54px;
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  transition: all .3s;
}
@media (max-width: 767px) {
  .clm-content .message_list li a:after {
    width: 10vw;
    right: 1.6rem;
  }
}

.clm-content .message_list li a:hover:after {
  right: 1.5rem;
}

.clm-content .message_list li:hover {
  background-color: rgba(26, 161, 169, 0.08);
}

/* ==========================================================================
 * # HEADER BUTTON FIX (ヘッダー内ボタンの高さ固定)
 * ========================================================================== */
.head_btn_wrap {
  align-items: stretch !important;
}

.head_btn_wrap .head_btn {
  height: 38.4px !important;
  margin: 0 !important;
}

.head_btn_wrap .head_btn a {
  height: 38.4px !important;
  padding-top: 0 !important;
  padding-bottom: 0 !important;
  box-sizing: border-box !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  line-height: 1 !important;
}

/* ==========================================================================
 * # FOOTER FIXED BUTTON FIX (固定フッターボタン：サイズアップ・存在感強化)
 * ========================================================================== */

/* スクロール位置に応じた表示制御 (.disp_block) */
.clm-content .foot_fixed {
  margin: 0 auto;
  display: none;
}
.clm-content .foot_fixed.disp_block {
  display: block !important;
}

/* 1. 通常固定表示時 */
.clm-content #footBtns-fixed,
#footBtns-fixed {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  padding: 1.0rem 0;
  z-index: 1000;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s, box-shadow 0.3s;
}

/* 2. 最下部（フッター到達時）：JSの .static 付与でフッター直上に配置 */
.clm-content #footBtns-fixed.static,
#footBtns-fixed.static {
  position: static !important;
  background-color: transparent !important;
  box-shadow: none !important;
  padding: 1.2rem 0 2.4rem !important;
}

/* 3. ボタン親要素（左右中央配置） */
.clm-content #footBtns-fixed .footBtns,
#footBtns-fixed .footBtns {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  width: 100% !important;
  margin: 0 auto !important;
  padding: 0 !important;
  gap: 0 !important;
}

/* 4. ボタン本体（サイズを600px×64pxに大型化） */
.clm-content #footBtns-fixed .footBtns .foot_btn,
.clm-content #footBtns-fixed .foot_btn,
#footBtns-fixed .footBtns .foot_btn,
#footBtns-fixed .foot_btn {
  width: 100% !important;
  max-width: 600px !important; /* 横幅を大型化 (旧: 460px) */
  height: 64px !important;     /* 高さを広げて押しやすく (旧: 54px) */
  margin: 0 auto !important;
  padding: 0 !important;
  float: none !important;
  text-align: center !important;
}

/* 5. ボタンリンク（20pxフォント＆強調グラデーション） */
.clm-content #footBtns-fixed .foot_btn a,
#footBtns-fixed .foot_btn a {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100% !important;
  height: 64px !important;
  padding: 0 4.5rem 0 3.0rem !important;
  font-size: 2.0rem !important; /* 20px相当にアップ (旧: 18px) */
  font-weight: bold !important;
  letter-spacing: 0.03em !important;
  color: #ffffff !important;
  background: linear-gradient(to right, #1aa1a9 0%, #3dc795 100%) !important;
  border-radius: 32px !important;
  border: 2px solid transparent !important;
  text-decoration: none !important;
  white-space: nowrap !important;
  position: relative !important;
  box-shadow: 0 6px 16px rgba(26, 161, 169, 0.3) !important;
  transition: all 0.3s ease !important;
  box-sizing: border-box !important;
}

/* 6. 右側の「＞」矢印アイコン */
.clm-content #footBtns-fixed .foot_btn a::after,
#footBtns-fixed .foot_btn a::after {
  content: '' !important;
  display: block !important;
  width: 10px !important;
  height: 10px !important;
  border-top: 2.5px solid #ffffff !important;
  border-right: 2.5px solid #ffffff !important;
  position: absolute !important;
  right: 2.8rem !important;
  top: 50% !important;
  transform: translateY(-50%) rotate(45deg) !important;
  transition: right 0.2s ease !important;
}

/* 7. ホバー効果 */
.clm-content #footBtns-fixed .foot_btn a:hover,
#footBtns-fixed .foot_btn a:hover {
  background: #ffffff !important;
  color: #1aa1a9 !important;
  border-color: #1aa1a9 !important;
  box-shadow: 0 8px 20px rgba(26, 161, 169, 0.4) !important;
}

.clm-content #footBtns-fixed .foot_btn a:hover::after,
#footBtns-fixed .foot_btn a:hover::after {
  border-color: #1aa1a9 !important;
  right: 2.3rem !important;
}

/* 8. スマホ表示調整 */
@media (max-width: 767px) {
  .clm-content #footBtns-fixed .foot_btn,
  #footBtns-fixed .foot_btn {
    max-width: 92% !important;
    height: 52px !important;
  }
  
  .clm-content #footBtns-fixed .foot_btn a,
  #footBtns-fixed .foot_btn a {
    height: 52px !important;
    font-size: 1.7rem !important; /* 17px */
    border-radius: 26px !important;
    padding: 0 3.5rem 0 2.0rem !important;
  }

  .clm-content #footBtns-fixed .foot_btn a::after,
  #footBtns-fixed .foot_btn a::after {
    right: 1.8rem !important;
  }

  .clm-content #footBtns-fixed .foot_btn a:hover::after,
  #footBtns-fixed .foot_btn a:hover::after {
    right: 1.4rem !important;
  }
}