.hero{
padding:28px 0;
border-bottom:1px solid #d9e1e8;
}

.hero-content{
display:flex;
justify-content:flex-start;
gap:100px;
align-items:center;
}

.hero h1{
font-size:34px;
line-height:1.35;
margin:30px 40px 12px;
color:#1e3a8a;
}

.hero p{
margin:0;
color:#555;
font-size:15px;
margin-left:40px;
}

.hero-image{
display: flex;
justify-content: center;
align-items: center;
margin: 30px 0 20px 0;
width: 300px;
height: 200px;
flex-shrink: 0;
background-color: #fff;
border-radius: 4px;
box-shadow: 0 1px 4px rgba(0,0,0,0.08);
overflow: hidden;
}

.hero-image img {
opacity: 0;
transition: opacity 0.45s ease;
width: 100%; 
height: 100%;
object-fit: contain; 
}

.hero-image img.show {
opacity: 1;
}

.sec {
padding:20px 0;
}

.sec h2 {
font-size:13pt;
margin-left:35px;
margin-bottom: 10px;
position: relative;
}

.sec h2::before {
content: "";
position: absolute;
left: -15px; 
top: 43%;
transform: translateY(-50%); 
width: 4px;
height: 20px;
background: #0056b3;
}

.overview-box{
max-width: 900px;
padding: 10px 30px;
}

.overview-box p{
margin: 0;
font-size: 10.5pt;
}


/* 特徴カード */

.feature{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:14px;
margin-top:18px;
margin-left:30px;
}

.feature-card{
border:1px solid #d9dee5;
background:#fff;
border-radius:8px;
padding:18px;
min-height:75px;
}

.feature-card h3{
font-size:11pt;
color:#555;
margin:0 0 8px;
line-height:1.5;
}

.feature-check{
display:inline-block;
margin-right:6px;
font-size:14px;
font-weight:bold;
color:#0056b3;
}

.feature-card p{
font-size:10pt;
margin:0;
color:#555;
line-height:1.7;
}


/* 特徴リスト */

.feature-layout{
display:flex;
align-items:flex-start;
gap:20px; /* ← リストと写真の間隔 */
}

.interface-icons{
display:flex;
flex-wrap:wrap;
gap:8px;
margin:8px 0 15px 40px;
}

.interface-icons img{
display:block;
}

.feature-list{
list-style:none;
padding:0 0 0 40px;
font-size:10.5pt;
margin:0;
width:auto;
}

.feature-list li{
margin-bottom:6px;
padding-left:40px;
position:relative;
}

.feature-list li::before{
content:"✓";
position:absolute;
left:10px;
color:#0056b3;
font-weight:bold;
}

.product-photo{
margin-left:0;
flex-shrink:0;
}

.product-photo img{
display:block;
margin-top:50px;
margin-left:40px;
}

.product-photo p{
font-size:13px;
text-align:center;
}

/*図レイアウト */

.study{
text-align:center;
}

/*学習内容 */

.step-grid{
display:grid;
grid-template-columns:repeat(3, 230px);
gap:22px 34px;
justify-content:start;
margin-left:30px;
margin-top:20px;
}

.step-item{
position:relative;
padding:14px 16px;
border:1px solid #d9dee5;
border-radius:8px;
background:#fcfcfd;
transition:.18s ease;
}

.step-item:not(:nth-child(3n)):not(:last-child)::after{
content:"";
position:absolute;
top:50%;
right:-22px;
width:18px;
height:2px;
background:#d9dee5;
transform:translateY(-50%);
z-index:2;
}

.step-item:not(:nth-child(3n)):not(:last-child)::before{
content:"";
position:absolute;
top:50%;
right:-22px;
width:8px;
height:8px;
border-top:2.5px solid #d9dee5;
border-right:2.5px solid #d9dee5;
transform:translateY(-50%) rotate(45deg);
z-index:3;
}

.step-no{
display:inline-flex;
align-items:center;
justify-content:center;
height:26px;
padding:0 12px;
font-size:9pt;
font-weight:700;
background:#eef4f8; 
color:#0056b3;     
border-radius:999px;
margin-bottom:12px;
}

.step-item h3{
font-size:11pt;
font-weight:700;
line-height:1.4;
margin:0 0 8px;
color:#555;
}

.step-item p {
line-height: 1.9;
font-size:10pt;
}

.note{
font-size:10.5pt;
}

/*学習ステップ*/
.step-wrapper {
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:20px;
  margin-left:30px;
}

.step {
  width:130px;
  padding:12px 10px;
  text-align:center;
  border:1px solid #d9dee5;
  background:#fcfcfd;
  text-decoration:none;
  color:#222;
  font-size:13px;
  position:relative;
  transition:all 0.2s ease;
  border-radius:8px;
}

.step:hover {
  background:#eef4f8;
  box-shadow:0 3px 6px rgba(0,0,0,0.08);
}

.step-icon {
  width:40px;
  height:40px;
  object-fit:contain;
  margin-bottom:5px;
}

.step-title {
  font-weight:bold;
  margin-top:5px;
}

.step-desc {
  font-size:12px;
  color:#666;
}

.step-note {
font-size:10pt;
margin-top:10px;
margin-left:40px;
}

/* 製品ラインナップ */
.lineup-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 20px;
margin-left:30px;
}

.lineup-card {
border: 1px solid #d9dee5;
border-radius: 8px;
overflow: hidden;
background: #fff;
}

.lineup-image {
background: #fcfcfd;
text-align: center;
padding: 30px;
height:150px;
}

.lineup-image img {
max-width: none;
width: 100%;
height: 100%;
object-fit: contain;
}

.lineup-space {
padding: 10px 10px 0;
}

.lineup-model{
font-size:9pt;
font-weight:700;
color:#6b778c;
margin-bottom:5px;
}

.lineup-card h3 {
font-size: 11pt;
margin-top:0;
margin-bottom: 12px;
color:#555;
}

.lineup-spec{
font-size:10pt;
border-top:1px solid #e5eaf0;
border-bottom:1px solid #e5eaf0;
padding:9px 0;
margin-bottom:22px;
}

.lineup-spec div{
display:flex;
justify-content:space-between;
padding:8px 0;
font-size:10pt;
}

.lineup-spec strong{
color:#333;
}

.lineup-spec span{
color:#333;
}

.lineup-content{
margin-bottom:10px;
}

.lineup-content strong{
display:block;
font-size:10pt;
margin-bottom:10px;
}

.lineup-content ul{
margin:0;
padding-left:18px;
}

.lineup-content li{
font-size:10pt;
line-height:1.8;
}

/* 関連製品との組み合わせ例 */
.related-lead{
  margin:0 0 18px 30px;
  font-size:10pt;
  line-height:1.9;
  color:#333;
}

.related-wrap{
  margin-left:45px;
}

.related-subtitle{
  margin:0 0 12px -10px ;
  font-size:11pt;
  font-weight:700;
  color:#555;
}

.related-text{
  margin:0 0 20px;
  font-size:10pt;
  line-height:1.9;
  color:#333;
}

.related-content{
  display:flex;
  align-items:flex-start;
  gap:36px;
  margin-bottom:24px;
}

.related-points{
  flex:1 1 auto;
  list-style:none;
  margin:0;
  padding:0;
}

.related-points li{
  position:relative;
  padding-left:2.8em;
  margin-top:10px;
  margin-bottom:10px;
  font-size:10pt;
  line-height:1.9;
  color:#333;
}

.related-points li::before{
  content:"✓";
  position:absolute;
  left:10px;
  top:0.45em;
  color:#0056b3;
  font-size:14px;
  font-weight:700;
  line-height:1;
}

.related-photo{
  flex:0 0 400px;
}

.related-photo img{
  width:100%;
  height:auto;
  display:block;
  border:1px solid #d9dee5;
  border-radius:8px;
  background:#fff;
}

.related-links{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:20px;
}

.related-btn{
  display:inline-block;
  padding:10px 18px;
  border-radius:8px;
  text-decoration:none;
  font-size:10pt;
  font-weight:700;
  background:#eef3f8;
  border:1px solid transparent;
  transition:background .18s ease, border-color .18s ease;
}

.related-btn:hover{
  background:#eef4f8;
  border-color:#d9dee5;
}

/* ダウンロード */
.download {
 border-collapse: collapse;
 border: 1px solid #808080;
 width:750px;
 margin-left:30px;
 margin-top:5px;
}

.download-box {
 margin-top:10px;
}

.download-text1 {
 font-weight:bold;
 font-size:12pt;
 width: 192px;
 text-align: left;
 padding-left:20px;
}

.pdf {
 font-weight: bold;
 font-size:11pt;
 width:70px;
 text-align:left;
}

.sample {
 font-weight: bold;
 font-size:10pt;
}

.download-text2 {
 font-size:10pt;
 text-align:left;
}

.download-text3 {
 font-size:10pt;
 margin-left: 40px;
 margin-top: 5px;
 margin-bottom:10px;
}

/*製品概略*/
.product-info-area {
 border-collapse: collapse;
 border: 1px solid #666666;
 width: 750px;
 margin-left:30px;
 margin-top:5px;
}

.product-info-text1 {
 border: 1px solid #808080;
 font-size: 10pt;
 background-color:#EBEBEB;
 width: 190px;
 padding-left:4px;
}

.product-info-text2 {
 border: 1px solid #808080;
 font-size: 10pt;
 padding-left:4px;
}

.product-info-text3{
 padding-bottom:4px;
}

.product-subtitle{
 font-size:11pt;
 font-weight:bold;
 margin-left:30px;
 margin-bottom:0px;
}

.red{
 color: #F06060;
 font-size:9pt;
 font-weight:normal;
}

.info3{
 font-size: 10pt;
 margin-left: 30px;
 margin-top:2px;
}

.info4{
 color: #666;
 font-size: 8pt;
 margin-left:35px;
 margin-top:25px;
 margin-bottom:0px;
}

.text2 {
font-size:10pt;
margin-top:10px;
margin-left:30px;
}


.text3 {
 font-size:25px;
 font-weight:bold;
 color: #1e3a8a;
 text-align: left;
 margin-top: 0;
 margin-left:30px;
}

.text4 {
 font-size: 10.5pt;
 margin-left: 40px;
 margin-top:2px;
}

.text5 {
 font-size: 10pt;
 margin-bottom: 0;
 margin-top: 5px;
 margin-left: 30px;
}

.s2 {
 font-size: 8pt;
}