.fadein {
  opacity: 0.5;
  transform: translateY(10px);
  transition: opacity 1s ease, transform 1s ease;
}
.fadein.show {
  opacity: 1;
  transform: translateY(0);
}
.hover_one:hover{
  transform: translateY(-1px);
  transition: all 0.25s ease;
  color: #111;
  cursor: pointer;
}
.hover_two:hover{
  transform: translateY(-2px);
  transition: all 0.25s ease;
  color: #111;
  cursor: pointer;
}
.hover_three:hover{
  transform: translateY(-3px);
  transition: all 0.25s ease;
  color: #111;
  cursor: pointer;
}
.business_intro_card {
  width: 87%;
  margin: 10rem auto 0;
  display: flex;
  justify-content: center;
  align-items: center;
  padding:5rem;
  background: #ffffff;
  border-radius: 1.6rem;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 91, 172, 0.06);
  color: #555;
}
.business_intro_left {
  flex: 1;
  padding-right: 2rem;
}
.business_intro_left h2 {
  font-size: 2rem;
  margin-bottom: 1.2rem;
  color: #003e7e;
  line-height: 1.4;
}
.business_intro_left p {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  line-height: 1.7;
  text-align: center;
}

.business_intro_right {
  flex: 1;
  padding-left: 1.5rem;
  border-left: 1px solid rgba(0, 91, 172, 0.12);
}

.business_intro_right ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.business_intro_right li {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

.business_intro_right i {
  color: #005bac;
  font-size: 1.4rem;
  margin-top: 0.15rem;
}
.business_card_section{
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 6rem 0 0;
}
.business_card_container{
  width: 95%;
  display:flex;
  gap:3rem;
}
.business_card{
  flex:1;
  background:#fff;
  border-radius:1.4rem;
  border:1px solid rgba(0,91,172,0.06);
  box-shadow:0 10px 26px rgba(0,0,0,0.04);
  padding:2rem 2rem 2.3rem;
  position:relative;
  color:#555;
}
.business_tag{
  position:absolute;
  top:1.4rem;
  right:1.6rem;
  font-size:1.2rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:0.3rem 1.2rem;
  border-radius:999px;
  background:#f3f7fc;
  border:1px solid rgba(0,91,172,0.16);
}
.business_tag.import{ color:#005bac; }
.business_tag.export{ color:#008060; }
.business_tag.promotion{ color:#c05800; }

.business_label{
  font-size:1.2rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:#005bac;
  margin-top:10px;
  margin-bottom:6px;
}
.business_card h3{
  font-size:1.6rem;
  font-weight:700;
  margin-bottom:10px;
  color:#222;
  line-height:1.4;
}
.business_lead{
  font-size:1.4rem;
  margin-bottom:0.8rem;
}
.business_card p{
  font-size:1.4rem;
  line-height:1.7;
  margin-bottom:1rem;
  color:#555;
}
.business_subtitle{
  font-size:1.3rem;
  font-weight:600;
  margin:1.2rem 0 0.6rem;
  color:#222;
}
.business_card ul{
  list-style:disc;
  padding-left:1.6rem;
}
.business_card li{
  font-size:1.3rem;
  margin-bottom:0.3rem;
}
.global_network_section{
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 6rem 0 0;
}
.global_network_section .title_container{
  margin-top: 0;
}
.global_map_container{
  max-width: 1000px;
  margin: 2rem auto 0;
  padding: 0 1.5rem;
}
.global_map{
  width:100%;
  height:665px;
  object-fit:cover;
  border-radius:1.2rem;
  box-shadow:0 12px 32px rgba(0,0,0,0.06);
}
.global_caption{
  text-align:center;
  margin-top:1.5rem;
  font-size:1.2rem;
  color:#777;
}
.business_flow_section{
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 10rem 0 6rem 0;
}
.business_flow_section .title_container{
  margin-top: 0;
}
.flow_step_container{
  width: 80%;
  margin: 2rem auto 0;
  display:flex;
  gap:1.5rem;
  padding: 0 1.5rem;
}
.flow_step{
  width: 16%;
  background:#fff;
  border-radius:1.2rem;
  border:1px solid rgba(0,91,172,0.08);
  padding:1.4rem 1.4rem 1.6rem;
  box-shadow:0 8px 22px rgba(0,0,0,0.04);
  color:#555;
}
.flow_number{
  font-size:1.5rem;
  letter-spacing:0.18em;
  color:#005bac;
  margin-bottom:0.3rem;
}
.flow_step h3{
  font-size:1.5rem;
  margin-bottom:0.4rem;
  color: #111;
}
.flow_step p{
  font-size:1.2rem;
  
}
.business_cta_inner{
  width: 80%;
  margin: 10rem auto 6rem;
  text-align:center;
  padding:3rem;
  border-radius:1.6rem;
  background:linear-gradient(135deg, #005bac0d, #f5f8ff);
  border:1px solid rgba(0,91,172,0.16);
  transition: all 0.25s ease;
  cursor: default;
}
.business_cta_inner h2{
  font-size:2rem;
  margin-bottom:0.8rem;
}
.business_cta_inner p{
  font-size:1.4rem;
  color:#555;
  margin-bottom:1.4rem;
}
.business_cta_button{
  display:inline-block;
  padding:0.8rem 3rem;
  border-radius:999px;
  border:none;
  background:#005bac;
  color:#fff ;
  font-size:1.4rem;
  letter-spacing:0.08em;
  text-decoration:none;
  transition: opacity 0.5s,box-shadow 0.5s;
}
.business_cta_button:hover{
  box-shadow: 4px 4px 12px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}       
/* =========================================================
   6-1) Chain Wrapper (親要素)
========================================================= */
.business_chain_wrapper {
  position: relative;
  overflow: hidden;
  background: transparent;
  z-index: 0;
}

/* 背景画像を配置（ブラー適用・透過、上下グラデーション） */
.business_chain_wrapper::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  filter: blur(2px);
  opacity: 0.6;
  mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.2) 10%,
    rgba(0, 0, 0, 0.6) 20%,
    rgba(0, 0, 0, 1) 30%,
    rgba(0, 0, 0, 1) 70%,
    rgba(0, 0, 0, 1) 80%,
    rgba(0, 0, 0, 0.6) 90%,
    rgba(0, 0, 0, 0) 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.2) 10%,
    rgba(0, 0, 0, 0.6) 20%,
    rgba(0, 0, 0, 1) 30%,
    rgba(0, 0, 0, 1) 70%,
    rgba(0, 0, 0, 1) 80%,
    rgba(0, 0, 0, 0.6) 90%,
    rgba(0, 0, 0, 0) 100%
  );
  z-index: 0;
}


.business_bridge_section {
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
  margin: 6rem 0 0;
}

.business_bridge_section > * {
  position: relative;
  z-index: 1;
}

.business_bridge_section .title_container {
  margin-top: 0;
}

.bridge_panel {
  width: 80%;
  max-width: 900px;
  margin: 2rem auto 0;
  padding: 3rem 3rem 2.4rem;
  border-radius: 1.6rem;
  background: linear-gradient(to bottom, rgba(0, 91, 172, 0.05), rgb(228 236 255 / 30%));
  border: 1px solid rgba(0, 91, 172, 0.16);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.05);
}

.bridge_row {
  margin-top: 2rem;
}

.bridge_row_title {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: baseline;
  margin-bottom: 1rem;
}

.bridge_row_main {
  font-size: 1.6rem;
  font-weight: 700;
  color: #005bac;
}

.bridge_row_sub {
  font-size: 1.3rem;
  color: #777;
}

/* ノード＋矢印の並び */
.bridge_flow {
  display: flex;
  align-items: stretch;
  gap: 0.9rem;
}

/* ノード（1つ1つの箱） */
.bridge_node {
  flex: 1;
  min-width: 0;
  background: #ffffff;
  border-radius: 1.2rem;
  padding: 1.1rem 0.4rem 1.2rem;
  text-align: center;
  border: 1px solid rgba(0, 91, 172, 0.14);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.03);
  color: #555;
}

.bridge_icon {
  font-size: 2rem;
  margin-bottom: 0.4rem;
  color: #005bac;
}

.bridge_node_title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
  color: #333;
}

.bridge_node_text {
  font-size: 1.2rem;
  line-height: 1.6;
}

.bridge_arrow {
  width: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #005bac;
  font-size: 1.4rem;
}

.bridge_note {
  margin-top: 2.4rem;
  font-size: 1.2rem;
  
  text-align: center;
  line-height: 1.8;
}

.pc_only{ display: inline; }

/* =========================================================
   6-2) Value Support Section
========================================================= */
.business_value_support_section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 10rem 0 6rem 0;
  position: relative;
  z-index: 2;
}

.business_value_support_section > * {
  position: relative;
  z-index: 1;
}

.business_value_support_section .title_container {
  margin-top: 0;
  margin-bottom: 1.5rem;
}

.business_value_support_section .title_container h1 {
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
  padding: 0 1.5rem;
}

.business_value_support_section .title_container span {
  font-size: 1rem;
}

.business_value_support_section .title_container p {
  font-size: 1.3rem;
  margin-bottom: 0;
}

.value_support_container {
  width: 80%;
  max-width: 970px;
  margin: 2rem auto 0;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.value_support_item {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2.5rem;
  background: #ffffff;
  border-radius: 1.2rem;
  border: 1px solid rgba(0, 91, 172, 0.08);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.04);
}

.value_support_content {
  flex: 1;
}

.value_support_label{
  font-size: 1.2rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #005bac;
  margin-top: 10px;
  margin-bottom: 6px;
}
.value_support_content h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #222;
  margin-bottom: 10px;
  line-height: 1.4;
}

.value_support_content p {
  font-size: 1.4rem;
  line-height: 1.8;
  color: #555;
}

/* =========================================================
   7) Trade Map Interactive (hotspot / card)
========================================================= */
.trade-map-text-wrapper{
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 10;
  pointer-events: none;
}

.trade-map-text{
  font-size: 2.5rem;
  font-weight: 500;
  font-family: 'Times New Roman', 'YuMincho', 'Hiragino Mincho ProN', 'Hiragino Mincho Pro', 'MS PMincho', serif;
  color: rgba(60, 40, 25, 0.95);
  white-space: nowrap;
  text-shadow: 0 2px 4px rgba(255,255,255,0.7), 0 1px 2px rgba(0,0,0,0.1);
  letter-spacing: 0.08em;
  margin: 0;
  line-height: 1.4;
}

.trade-map-text-en{
  font-size: 1.8rem;
  font-weight: 400;
  font-family: 'Times New Roman', 'Georgia', serif;
  color: rgba(60, 40, 25, 0.85);
  white-space: nowrap;
  text-shadow: 0 1px 3px rgba(255,255,255,0.7), 0 1px 1px rgba(0,0,0,0.1);
  letter-spacing: 0.1em;
  margin: 8px 0 0 0;
  line-height: 1.4;
  font-style: italic;
}

.trade-map{
  position: relative;
  border-radius: 1.2rem;
  overflow: hidden;
}

/* Hotspots（真鍮リング風） */
.hotspot{
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: transparent;
  border: 2px solid transparent;
  box-shadow: 0 0 0 6px rgba(196,170,110,0.6);
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 1;
  transition: all 0.2s;
}
.hotspot::after{
  content:"";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(16,36,70,1);
  transform: translate(-50%, -50%);
}
.hotspot:hover{
  box-shadow: 0 0 0 10px rgba(196,170,110,0.6);
}
.hotspot:focus-visible{
  outline: 3px solid rgba(16,36,70,0.35);
  outline-offset: 4px;
}

/* 日本のhotspot（起点として目立つデザイン） */
.hotspot-japan{
  width: 48px;
  height: 48px;
  box-shadow: 0 0 0 8px rgba(220,53,69,0.45);
  z-index: 1;
}
.hotspot-japan::after{
  width: 10px;
  height: 10px;
  background: rgba(220,53,69,1);
  box-shadow: 0 0 8px rgba(220,53,69,0.6);
}
.hotspot-japan:hover{
  box-shadow: 0 0 0 12px rgba(220,53,69,0.55);
}

/* 各国のhotspot（アニメーション付き） */
.hotspot-country{
  animation: pulsePoint 2s ease-in-out infinite;
}
@keyframes pulsePoint {
  0%, 100% {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.15);
  }
}
.hotspot-country:hover{
  animation: none;
  transform: translate(-50%, -50%) scale(1.2);
}

/* パネル表示中の選択中のhotspot（マウスオーバー時と同じスタイル） */
.hotspot-country.is-active{
  animation: none;
  transform: translate(-50%, -50%) scale(1.2);
  box-shadow: 0 0 0 10px rgba(196,170,110,0.5);
}
.hotspot-country.is-active .country-name-label{
  opacity: 1;
}

/* 国名表示 */
.country-name-label{
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  margin-top: 8px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.hotspot-country:hover .country-name-label{
  opacity: 1;
}
.country-name-ja{
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: rgba(16,36,70,0.95);
  text-shadow: 0 1px 2px rgba(255,255,255,0.8);
  margin-bottom: 2px;
}
.country-name-en{
  display: block;
  font-size: 10px;
  color: rgba(16,36,70,0.75);
  text-shadow: 0 1px 2px rgba(255,255,255,0.8);
}

/* ライン描画 */
.route-layer{
  overflow: visible;
  z-index: 1;
}
.route-line{
  pointer-events: none;
}

/* Hotspot positions (PC default) */
.hs-europe{ left:11.05%; top:29.65%; }
.hs-north-africa{ left:15%; top:42.83%; }
.hs-west-asia{ left:25.879%; top:49.7%; }
.hs-central-asia{ left:34.24%; top:42.55%; }
.hs-se-asia{ left:45.745%; top:57.5618%; }
.hs-oceania{ left:54.25%; top:87.9%; }
.hs-north-central-america{ left:81.36%; top:38.8%; }
.hs-south-america{ left:95.44871%; top:65.323%; }

/* Card (desktop) */
#tradeMap .port-card{
  position: absolute;
  right: 32px;
  bottom: 32px;
  width: min(640px, 28vw);
  max-width: 28vw;
  max-height: 28vh;
  aspect-ratio: 1120 / 928;
  z-index: 10;

  background: 
    linear-gradient(to bottom, rgba(0,0,0,0.03), rgba(0,0,0,0.14)),
    url(../img/note.png);
  background-size: 100% 100%;
  background-position: center;
  background-repeat: no-repeat;

  border: none;
  border-radius: 18px;
  padding: 24px 28px 26px;

  box-shadow:
    0 24px 60px -10px rgba(0,0,0,0.22),
    0 6px 18px -10px rgba(0,0,0,0.12);

  opacity: 0;
  transform: translateY(12px) scale(0.985);
  pointer-events: none;
  transition:
    opacity .18s ease,
    transform .22s cubic-bezier(.22,1.15,.36,1);
}
#tradeMap .port-card.is-open{
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  padding-bottom: 3rem;
  transition:
    opacity .3s ease,
    transform .22s cubic-bezier(.22,1.15,.36,1);
}

#tradeMap .port-close{
  position: absolute;
  top: 10px;
  right: 12px;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid rgba(16,36,70,0.12);
  background: rgba(255,255,255,0.70);
  color: rgba(16,36,70,0.74);
  font-size: 18px;
  line-height: 28px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
#tradeMap .port-close:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,0.88);
  box-shadow: 0 10px 18px rgba(0,0,0,0.10);
}

#tradeMap .port-head{
  padding-right: 44px;
  margin-bottom: 10px;
}
#tradeMap .port-title{
  margin: 0 0 3px;
  font-weight: 800;
  font-size: 14px;
  color: rgba(16,36,70,0.96);
  letter-spacing: .01em;
}
#tradeMap .port-sub{
  margin: 0;
  font-size: 11px;
  color: rgba(16,36,70,0.60);
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* Countries chips */
#tradeMap .port-countries{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 10px;
  padding: 0 0 10px;
  border-bottom: 1px solid rgba(16,36,70,0.10);
}
#tradeMap .country-name,
.trade-map .port-country-link{
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 7px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1;
  color: rgba(16,36,70,0.90);
  background: rgba(16,36,70,0.045);
  border: 1px solid rgba(16,36,70,0.12);
  user-select: none;
  white-space: nowrap;
  text-decoration: none;
}
#tradeMap .country-name::before{
  content:"";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(90,130,150,0.55);
}
#tradeMap .country-name.is-active{
  background: rgba(0,91,172,0.10);
  border-color: rgba(0,91,172,0.25);
  color: rgba(0,62,126,0.96);
}
.trade-map .port-country-link:hover{
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.10);
}

/* Columns */
#tradeMap .port-cols{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
#tradeMap .port-col{
  background: transparent;
  border: 1px solid rgba(16,36,70,0.08);
  border-radius: 12px;
  padding: 8px 8px 6px;
}
#tradeMap .port-col-title{
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 800;
  color: rgba(16,36,70,0.78);
  display: flex;
  align-items: center;
  gap: 5px;
}
#tradeMap .port-col-title::before{
  content:"";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(196,170,110,0.75);
}
#tradeMap .port-list{
  margin: 0;
  padding-left: 12px;
}
#tradeMap .port-list li{
  margin: 5px 0;
  font-size: 12px;
  color: rgba(16,36,70,0.92);
}
#tradeMap .port-list li::marker{
  color: rgba(90,130,150,0.55);
}
#tradeMap .port-list a{
  color: rgba(16,36,70,0.92);
  text-decoration: none;
  border-bottom: 1px solid rgba(16,36,70,0.16);
}
#tradeMap .port-list a:hover{
  border-bottom-color: rgba(16,36,70,0.40);
}

/* =========================================================
   事業内容ページ専用レスポンシブ
   スマホ（SP） 〜768px
========================================================= */
@media (max-width: 768px) {

  /* ---------- 共通タイトルまわり ---------- */
  .top_title_container {
    width: 90%;
    padding-top: 3rem;
    margin-bottom: 2rem;
  }

  .title_container h1 {
    font-size: 2rem;
  }

  .title_container p {
    width: 90%;
    font-size: 1.3rem;
    margin-bottom: 2rem;
  }

  /* ==========================
      ① 冒頭イントロカード
     ========================== */
  .business_intro_card {
    width: 90%;
    flex-direction: column;
    align-items: flex-start;
    padding: 3rem 2rem;
    gap: 2.5rem;
  }

  .business_intro_left h2 {
    font-size: 1.8rem;
  }

  .business_intro_left p {
    font-size: 1.3rem;
    text-align: center;
  }

  .business_intro_right {
    width: 100%;
    padding-left: 0;
    border-left: none;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 91, 172, 0.12);
  }

  .business_intro_right li {
    font-size: 1.3rem;
  }

  /* ==========================
      ② 事業領域カード3つ
     ========================== */
  .business_card_section {
    height: auto;
    padding: 4rem 0 3rem;
  }

  .business_card_container {
    width: 90%;
    flex-direction: column;
    gap: 2rem;
  }

  .business_card {
    padding: 1.8rem 1.8rem 2rem;
  }

  .business_card h3 {
    font-size: 1.6rem;
  }

  .business_lead {
    font-size: 1.3rem;
  }

  .business_card li {
    font-size: 1.3rem;
  }

  /* ==========================
      ③ グローバルネットワーク
     ========================== */
  .globalnetwork{
    display: block;
  }
  .global_network_section {
    height: auto;
    padding: 4rem 0 3rem;
  }

  .global_map_container {
    padding: 0 1rem;
  }

  .global_map {
    height: 250px;
  }

  .global_caption {
    font-size: 1.1rem;
    padding: 0 1.5rem;
  }

  /* ==========================
      ④ バリューチェーン
     ========================== */
  .business_bridge_section {
    height: auto;
    padding: 4rem 0 3rem;
    align-items: center;
  }

  .bridge_panel {
    width: 90%;
    padding: 2rem 1.8rem 2rem;
  }

  .bridge_row {
    margin-top: 1.8rem;
  }

  .bridge_row_main {
    font-size: 1.5rem;
  }

  .bridge_row_sub {
    font-size: 1.2rem;
  }

  .bridge_flow {
    flex-direction: column;
    align-items: stretch;
  }

  .bridge_node {
    flex: 1 1 auto;
  }

  .bridge_arrow {
    width: 100%;
    height: 2.4rem;
    font-size: 1.6rem;
    justify-content: center;
    transform: rotate(90deg);
  }

  .bridge_note {
    font-size: 1.1rem;
  }
  .bridge_row_title {
    margin-top: 3rem;
    justify-content: center;
  }

  /* Value Support Section (Mobile) */
  .business_value_support_section {
    margin: 3rem 0;
  }

  .value_support_container {
    width: 90%;
    padding: 0 1rem;
    grid-template-columns: 1fr;
  }

  .value_support_item {
    flex-direction: column;
    gap: 1.2rem;
    padding: 2rem 1.5rem;
  }

  .value_support_content h3 {
    font-size: 1.6rem;
  }

  .value_support_content h3 span {
    font-size: 1.2rem;
  }

  .value_support_content p {
    font-size: 1.2rem;
    line-height: 1.7;
  }

  .pc_only {
    display: none;
  }

  /* ==========================
      ⑤ お取引の流れ（Flow）
     ========================== */
  .business_flow_section {
    margin: 4rem 0 3rem;
    align-items: center;
  }

  .flow_step_container {
    width: 90%;
    flex-direction: column;
    padding: 0;
    gap: 1.4rem;
  }

  .flow_step {
    padding: 1.4rem 1.6rem 1.6rem;
    width: 95%;
  }

  .flow_number {
    font-size: 1.4rem;
  }

  .flow_step h3 {
    font-size: 1.5rem;
  }

  .flow_step p {
    font-size: 1.2rem;
  }

  /* ==========================
      ⑥ CTAエリア
     ========================== */
  .business_cta_inner {
    width: 90%;
    padding: 2.4rem 2rem 2.6rem;
    margin-bottom: 4rem;
  }

  .business_cta_inner h2 {
    font-size: 1.8rem;
  }

  .business_cta_inner p {
    font-size: 1.3rem;
  }

  .business_cta_button {
    font-size: 1.3rem;
    padding: 0.8rem 2.4rem;
  }
}

/* =========================================================
   9) Mobile Fine Tuning (<=640px)
   - map/card/hotspot の最終上書きはここに集約
========================================================= */
@media (max-width: 640px){

  /* transform が fixed を邪魔する対策 */
  .trade-map-text-wrapper{
    position: static;
    top: auto;
    left: auto;
    transform: none;
    margin-bottom: 1rem;
    padding: 0;
  }

  .trade-map-text{
    font-size: 1.2rem;
    white-space: normal;
    line-height: 1.5;
    font-weight: 500;
    font-family: 'Times New Roman', 'YuMincho', 'Hiragino Mincho ProN', 'Hiragino Mincho Pro', 'MS PMincho', serif;
    color: rgba(60, 40, 25, 0.95);
    letter-spacing: 0.05em;
    margin-bottom: 0.4rem;
  }

  .trade-map-text-en{
    font-size: 0.75rem;
    white-space: normal;
    letter-spacing: 0.06em;
    margin-top: 0;
  }

  .trade-map,
  .global_map_container,
  .hover_three,
  .fadein,
  .show{
    transform: none !important;
  }

  /* Map card: bottom sheet */
  #tradeMap .port-cols{
    grid-template-columns: 1fr;
  }

  #tradeMap .port-card{
    position: fixed !important;
    left: 0;
    right: 0;
    bottom: 0 !important;

    width: 100%;
    max-width: none;
    max-height: 85vh;
    overflow-y: auto;
    overflow-x: hidden;
    margin: 0;

    padding: 16px 20px calc(14px + env(safe-area-inset-bottom));
    border-radius: 18px 18px 0 0;

    background: #ffffff;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.18), 0 -2px 8px rgba(0,0,0,0.12);

    transform: translateY(100%);
    opacity: 1;
    pointer-events: none;
    transition: transform .32s cubic-bezier(.22,1,.36,1);
    z-index: 1000;
  }
  #tradeMap .port-card.is-open{
    transform: translateY(0);
    pointer-events: auto;
  }

  #tradeMap .port-close{
    position: absolute;
    top: 10px;
    right: 20px;
    width: 36px;
    height: 36px;
    font-size: 18px;
    z-index: 1001;
  }

  /* Countries chips: horizontal scroll */
  #tradeMap .port-countries{
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-bottom: 10px;
  }
  #tradeMap .port-countries::-webkit-scrollbar{ display: none; }

  /* Hotspot positions (SP) */
  .hs-europe{ left:11%; top:34%; }
  .hs-north-africa{ left:15%; top:44%; }
  .hs-west-asia{ left:25.85%; top:49%; }
  .hs-central-asia{ left:34.25%; top:44%; }
  .hs-se-asia{ left:45.75%; top:55%; }
  .hs-oceania{ left:54.15%; top:77.8%; }
  .hs-north-central-america{ left:81.35%; top:41%; }
  .hs-south-america{ left:95.4%; top:60.7%; }

  .hotspot{
    width: 24px;
    height: 24px;
    border: 1.5px solid transparent;
    box-shadow: 0 0 0 2.5px rgba(196,170,110,0.5);
    z-index:1;
  }
  .hotspot:hover{
    box-shadow: 0 0 0 5px rgba(196,170,110,0.5);
  }
  .hotspot::after{
    width: 3.5px;
    height: 3.5px;
  }
  
  /* スマホ時の国名表示調整 */
  .country-name-label{
    font-size: 9px;
    margin-top: 5px;
  }
  .country-name-ja{
    font-size: 9px;
  }
  .country-name-en{
    font-size: 7px;
  }
  
  /* 日本のhotspotサイズ調整 */
  .hotspot-japan{
    width: 28px;
    height: 28px;
    box-shadow: 0 0 0 4px rgba(220,53,69,0.45);
  }
  .hotspot-japan::after{
    width: 5px;
    height: 5px;
    background: rgba(220,53,69,1);
    box-shadow: 0 0 8px rgba(220,53,69,0.6);
  }
  .hotspot-japan:hover{
    box-shadow: 0 0 0 6px rgba(220,53,69,0.55);
  }
  
  /* パネル表示中の選択中のhotspot（スマホ用） */
  .hotspot-country.is-active{
    box-shadow: 0 0 0 5px rgba(196,170,110,0.5);
  }
  
  /* アニメーションを軽量化（スマホ時） */
  .hotspot-country{
    animation: pulsePointMobile 2s ease-in-out infinite;
  }
  @keyframes pulsePointMobile {
    0%, 100% {
      opacity: 0.9;
      transform: translate(-50%, -50%) scale(1);
    }
    50% {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1.1);
    }
  }
}