 <style>

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}


*{
  overflow-wrap: break-word;  
  word-break: normal;         
  line-break: strict;        
}
.site-nav__inner{
  min-height: 90px;   
  padding: 8px 0;    
  display: flex;
  align-items: center;
  position: relative;
}

/* logo fixed to top-left */
.site-nav__logo{
  position: absolute;
  left: 20px;                
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
}

.site-nav__logo img{
  height: 70px;               
  width: auto;
  display: block;
}

/* keep menu centered */
.site-nav__list{
  width: 100%;
  height: 64px;

  margin: 0;
  padding: 0 40px;
  list-style: none;

  display: flex;
  align-items: center;
  justify-content: flex-end; 

  gap: 40px;
}


@media (max-width: 900px){

  .site-nav__inner{
    height: auto;
    padding: 10px 0;
  }

  .site-nav__logo{
    left: 12px;
  }

  .site-nav__logo img{
    height: 22px;
  }

  .site-nav__list{
    height: auto;
    padding: 12px 16px;
    gap: 18px;
    flex-wrap: wrap;
  }

}

.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav{
  background: rgba(255,255,255,0.9);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

@supports not ((backdrop-filter: blur(6px)) or (-webkit-backdrop-filter: blur(6px))){
  .site-nav{ background: rgba(255,255,255,0.98); }
}


.site-nav__list a{
  position: relative;        
  text-decoration: none;
  color: #222;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding-bottom: 6px;     
}


.site-nav__list a::after{
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;

  width: 0;
  height: 2px;
  background: #0f6280;    

  transform: translateX(-50%);
  transition: width 0.3s ease;
}


.site-nav__list a:hover::after{
  width: 100%;
}

.site-nav__list a:hover{
  opacity: 0.6;
}

    :root{ --text:#111; --bg:#f9f9fa; }
    *{ box-sizing:border-box; }
    html, body{ height:100%; }
    body{
      margin:0;
      font-family:"Noto Sans JP", system-ui, -apple-system, "Segoe UI",
        "Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
      color:var(--text);
      background:#fff;
    }

    html, body{
  height:100%;
  scroll-behavior: smooth;
}


.hero-monitor{
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #fff;
  min-height: 520px;  
}
.hero-monitor__trademark{
  position: absolute;
  left: 40px;
  bottom: 20px;
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: #fff;
  z-index: 2;
  text-shadow: 0 1px 4px rgba(0,0,0,0.35);
}


    .site-nav__list li{ margin: 0; padding: 0; }
    
.hero-monitor__bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  transform:scale(1.02);
  filter:saturate(0.95);
}

.hero-monitor__inner{
  position: relative;
  z-index: 1;

  max-width: 1200px;
  margin: 0 auto;

  padding: 40px clamp(16px, 4vw, 40px) 60px;

  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-monitor__header{
  max-width:1200px;
  text-align:center;
  margin-bottom:40px;
}

@media (max-width: 860px){
  .hero-monitor__inner{
    grid-template-columns: 1fr;   
    gap: 18px;
    text-align: center;
  }
  .hero-monitor__header{
    max-width: none;
    text-align: center;
  }
}

.hero-monitor__title{
      margin:0;
      font-weight:900;
      letter-spacing:0.02em;
      line-height:1.6;
      font-size: clamp(26px, 3.2vw, 42px);
      text-shadow:0 1px 0 rgba(255,255,255,0.6);
        color:#ffffff;
    }

 .hero-monitor__subtitle{
  margin-top:24px;
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight:600;
  letter-spacing:0.03em;
  color:#ffffff;
  opacity:0.9;
}
   
.hero-monitor__products{
  width:100%;
  position:relative;
}

.hero-product-img{
  display:block;
  width:min(420px,40vw);
  margin:0 auto;
  margin-top:0px; 
}

@media (max-width:860px){
  .hero-monitor__products{
    flex-direction: column;
    gap: 16px;
    align-items: center;
    padding-bottom: 24px;
  }
  .product--left  .product__img,
  .product--right .product__img{
    max-width: min(520px, 92%);
  }
}

.hero-contact{
  position:absolute;
  right:10px;
  bottom:-20px;

  background:#f4af1b;
  color:#fff;
  text-decoration:none;
  padding:20px 40px;
  font-size:20px;
  font-weight:700;
  letter-spacing:0.05em;
  border-radius:10px;
  box-shadow:0 10px 25px rgba(0,0,0,0.2);
}

.hero-contact:hover{
  background:#f96c0d;
  transform:translateY(-3px);
}

@media (max-width: 860px){
  .hero-contact{
    position: static;
    display: inline-flex;
    margin-top: 20px;
    width: min(320px, 90%);
    text-align: center;
    justify-content: center;
  }
  .hero-contact:hover{
    transform: none;
  }
}

.video-section{
  background:#fff;
  padding: clamp(30px,4vw,50px) 0;
}

.video-box{
  width: 100%;
  max-width: 650px;
  margin: 30px auto 0;
  border: none;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(0,0,0,0.12); 
}


.video-box iframe{
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
  display: block;
}

.intro{
  position: relative;
  min-height: 50vh;
  width: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  overflow: hidden;
  background: #f9f9fa;
}

.intro::before{
  content:"";
  position:absolute;
  inset:0;


  background-color: #f9f9fa;
  background-image:
    linear-gradient(135deg, rgba(0,0,0,0.035) 25%, transparent 25%),
    linear-gradient(225deg, rgba(0,0,0,0.030) 25%, transparent 25%),
    linear-gradient(45deg,  rgba(0,0,0,0.030) 25%, transparent 25%),
    linear-gradient(315deg, rgba(0,0,0,0.035) 25%, transparent 25%);
  background-size: 160px 160px;     
  background-position: 0 0, 0 80px, 80px -80px, -80px 0;
  opacity: 1;                      
}
    .intro__inner{ position:relative; z-index:1; padding:0 24px; max-width:1100px; }
.intro__kicker{
  margin:0 0 clamp(18px,3vw,34px);
  font-weight:900;
  font-size: clamp(20px, 3vw, 40px);
}

.intro__title{
  margin:0;
  font-weight:900;
  font-size: clamp(20px, 3vw, 40px);
}

.intro__title br{
  display:block;
  margin-top:8px;
}

.intro__line1{
  display:block;
  margin-bottom:30px;  
}

.intro__line2{
  display:block;
}

    .painpoints{
  width: 100%;
  background: #f3f4f6;              
  padding: clamp(36px, 6vw, 72px) 0;   
}

.painpoints__inner{
  width: 100%;
  margin: 0 auto;
  padding: 0 clamp(40px, 6vw, 120px); 
  max-width: none;                   
}

.painpoints__grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px; 
}

/* card */
.pain-card{
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: none;
}

.pain-card__media{
  aspect-ratio: 1 / 1;  
  background: #fff;
  display: grid;
  place-items: center;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.pain-card__img{
  width: 90%;       
  height: auto;     
  object-fit: contain;
  display: block;
  margin: 0 auto;   
}

.pain-card__text{
  margin: 0;
  padding: 26px 30px 30px;
  font-size: clamp(16px, 1.1vw, 19px);
  line-height: 1.8;
  font-weight: 500;                  
  text-align: center;                 
  letter-spacing: 0.02em;             
}

/* ===== Responsive ===== */
@media (max-width: 980px){
  .painpoints__grid{
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px){
  .painpoints__grid{
    grid-template-columns: 1fr;
  }
  .pain-card__text{
    font-size: 16px;
  }  
}

.benefits{
  width: 100%;
  background: #f3f4f6; 
  padding: clamp(20px, 3vw, 40px) 0 clamp(44px, 6vw, 86px);
}

.benefits__inner{
  width: 100%;
  margin: 0 auto;
  padding: 0 clamp(40px, 6vw, 120px); 
}

.benefits__chevron{
  width: min(520px, 68vw);
  height: 86px;
  margin: 0 auto 26px;
  background: #0f6280; 
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.benefits__lead,
.benefits__sublead{
  margin: 0;
  text-align: center;
  color: #222;
  letter-spacing: 0.02em;
  line-height: 1.9;
}

.benefits__lead{
  font-size: clamp(18px, 1.8vw, 26px);
  font-weight: 500;
  margin-bottom: 80px; 
}

.benefits__sublead{
  font-size: clamp(16px, 1.5vw, 22px);
  font-weight: 500;
  margin-bottom: clamp(26px, 3.5vw, 44px);
}

.benefits__grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 2.2vw, 34px);
  align-items: start;
}

/* cards */
.benefit-card{
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
}

.benefit-card__icon{
  height: 180px;        
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.benefit-card__icon img{
  max-height: 100%;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.benefit-card__title{
  margin: 6px 0 0;
  text-align: center;
  font-size: clamp(18px, 1.3vw, 22px);
  font-weight: 700;
  letter-spacing: 0.03em;
}

.benefit-card__text{
  margin: 0;
  padding: 18px 24px 26px;
  font-size: clamp(16px, 1.1vw, 19px);
  line-height: 1.9;
  font-weight: 400;
  color: #222;
  text-align: center;
}

.benefits__title{
  text-align: center;
  font-size: clamp(24px, 2.2vw, 32px);
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 28px;

  display: inline-block;   
  border-bottom: 3px solid #0f6280; 
  padding-bottom: 8px;     
}

/* Responsive */
@media (max-width: 1100px){
  .benefits__grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px){
  .benefits__grid{ grid-template-columns: 1fr; }
}
.scenes{
  width: 100%;
  background: #fff;
  padding: clamp(28px, 4vw, 60px) 0 clamp(44px, 6vw, 86px);
}

.scenes__inner{
  width: 100%;
  margin: 0 auto;
  padding: 0 clamp(40px, 6vw, 120px);
}

.scenes__grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.2vw, 34px);
  align-items: start;
}

/* card */
.scene-card{
  background: #fff;
  border: 1px solid rgba(0,0,0,0.18);
  box-shadow: 0 10px 18px rgba(0,0,0,0.18);
  overflow: hidden;
}

/* image area (square) */
.scene-card__media{
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,0.10);
  padding: 28px;             
  display: flex;
  justify-content: center;   
}

.scene-card__media img{
  width: 92%;               
  height: auto;
  display: block;
  object-fit: contain;
}

/* text */
.scene-card__body{
  padding: 18px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.scene-card__title{
  margin: 6px 0 0;
  text-align: center;
  font-size: clamp(18px, 1.3vw, 22px);
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.scene-card__text{
  margin: 0;
  flex: 1;
  padding: 18px 24px 26px;
  font-size: clamp(16px, 1.1vw, 19px);
  line-height: 1.9;
  font-weight: 400;
  color: #222;
  text-align: center;
}

.scenes__title-space{
  margin-bottom: 40px;
}

.benefits__title-wrap{
  text-align:center;
  margin-top:24px;
  margin-bottom:26px;
}

.benefits__note{
  margin: 12px 0 0;        
  font-size: 12px;
  color: #666;
  letter-spacing: 0.02em;
  text-align: left;        
}

.feature4{
  background:#eef1f4; 
  padding: 34px 0 44px;
}

.feature4__inner{
  width: 100%;
  margin: 0 auto;
  padding: 0 clamp(40px, 6vw, 120px);
}

.feature4__grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px 44px; 
}

.f4card{
  position: relative;
  background:#fff;
  border-radius: 0; 
  padding: 22px 26px 22px;
  min-height: 150px; 
  display:flex;
  flex-direction: column;
  align-items:center;
  justify-content:center;
  text-align:center;
}

.f4card__num{
  position:absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 34px;
  display:grid;
  place-items:center;
  background:#0b5f78;  
  color:#fff;
  font-weight:800;
  font-size: 16px;
  line-height:1;
}

.f4card__title{
  margin: 0 0 16px;
  font-weight: 700;
  font-size: clamp(18px, 1.3vw, 22px); 
  letter-spacing: 0.03em;
}

.f4card__text{
  margin: 0;
  font-size: clamp(16px, 1.1vw, 19px); 
  line-height: 1.9;                  
  font-weight: 400;
  color:#222;
}

.feature4__note{
  margin: 14px 0 0;          
  font-size: 12px;        
  line-height: 1.6;
  color: #666;
  text-align: left;
}

.system{
  background: #fff; 
  padding: clamp(20px, 3vw, 40px) 0 clamp(44px, 6vw, 86px);
}

.system__figure{
  margin: 0;             
  display: grid;
  place-items: center;    
}

.system__img{
  width: 100%;
  max-width: 1280px;      
  height: auto;
  display: block;
  object-fit: contain;
}

.flow{
  background:#f3f4f6;
  padding: clamp(24px,4vw,50px) 0;
}

.flow__item{
  margin: 0;
  text-align: center;

  display: flex;
  flex-direction: column;
  align-items: center;
}

.flowbar{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;           
  margin: 0 0 32px;     
}

.flowbar__item{
  background: #0f6280;
  color: #fff;
  font-weight: 800; 
  letter-spacing: 0.04em;

  font-size: clamp(16px, 1.1vw, 19px); 

  text-align: center;
  padding: 18px 20px;
  line-height: 1.4;
}

.flow__lead{
  margin: 0 0 28px;        
  text-align: center;
  font-size: clamp(16px, 1.2vw, 20px);
  line-height: 1.9;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: #222;
}



.flow__grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 44px);
  align-items: start;
}


.flow__media{
  width: 100%;
  max-width: 620px;
  height: auto;
  aspect-ratio: 4 / 3;     
  display: grid;
  place-items: center;
}


.flow__img{
  width: min(320px, 80%);
  height: auto;
  max-height: 100%;
}
@media (max-width: 980px){
  .flow__media{
    aspect-ratio: 16 / 9;  
  }
}

.flow__note{
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: #666;
  text-align: left;
}

.cta-simple{
  padding:72px 20px 80px;
  
}

.cta-simple__inner{
  max-width:1200px;
  margin:0 auto;
  text-align:center;
  padding-top:36px; 
  border-top:2px solid rgba(0,0,0,0.35);
}

.cta-simple__title{
  margin:0 0 20px;
  font-weight:900;
  font-size: clamp(20px, 3vw, 40px);
  letter-spacing:0.02em;
}

.cta-simple__btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;

  background:#f4af1b;
  color:#fff;
  text-decoration:none;

  padding:20px 40px;
  font-size:20px;
  font-weight:700;
  letter-spacing:0.05em;

  border-radius:10px;
  box-shadow:0 10px 25px rgba(0,0,0,0.2);

  transition:all 0.3s ease;
}

.cta-simple__btn:hover{
  background:#f96c0d;
  transform:translateY(-3px);
}

.cta-simple__text{
  font-size: clamp(16px, 1.1vw, 19px);
  line-height: 1.9;
  font-weight: 400;
  letter-spacing: 0.02em;
  color:#222;

  margin: 0 0 40px;
  text-align:center;
}

/* 手機微調 */
@media (max-width: 640px){
  .cta-simple{ padding: 56px 16px; }
  .cta-simple__btn{ width: min(320px, 90%); }
}

.product{
  background:#fff;
  padding: clamp(22px, 4vw, 56px) 0;
}

.product__layout{
  width: 100%;             
  display:grid;
  grid-template-columns: 1fr auto 1fr; 
  align-items:center;
  gap: clamp(30px,4vw,60px);
}

.product__layout--cards{
  width: 100%;
  margin: 0;

  display: grid;
  grid-template-columns: 1fr 80px 1fr; 
  align-items: stretch;
  gap: clamp(18px, 3vw, 40px);
}

.p-card{
    width:100%;
  background:#fff;
  border: 1px solid rgba(0,0,0,0.12);
  box-shadow: 0 18px 38px rgba(0,0,0,0.18);
  position: relative;
  overflow: hidden;
    display: flex;        
  flex-direction: column;
}

.p-card__label{
   margin: 0;
  background: #0f6280;
  color: #fff;
  text-align: center;
  font-weight: 800;
  letter-spacing: 0.04em;
  font-size: clamp(14px, 1.2vw, 18px);
  padding: 16px 14px;
}


.p-card__body{
  padding: clamp(18px, 2.6vw, 34px);
  flex: 1;    
  display: grid;
  place-items: center;   
}


.product__left{
  width: 100%;
  max-width: 760px;
  margin: 0 auto;

  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2vw, 30px);

  align-items: stretch; 
}


.product__left a{
  width: 100%;
  display: flex;              
  justify-content: center; 

}
.product__right a{
  display:block;
}


.product__left img{
  width:100%;
  height:auto;
  display:block;
}

.product__left a img{
  width: 100%;
  max-width: 720px;
  height:auto;            
  object-fit: contain;   
  object-position: 50% 50%;
  display: block;
  
}

.product__left a:first-child img{
  object-position: 48% 50%; 
}


.product__left a:nth-child(2) img{
  object-position: 50% 50%;
}

.product__right{
  display:flex;
  justify-content:center;
  align-items:center;
}

.product__right img{
  width:100%;
  max-width:250px;
}


.product__plus{
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 700;
  color:#111;
  line-height: 1;

  display:grid;
  place-items:center;
  width: clamp(42px, 5vw, 72px);
}

.product a img{
  transition: transform 0.2s ease;
}
.product a:hover img{
  transform: scale(1.02);
}

@media (max-width: 900px){
  .product__layout--cards{
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .product__plus{
    margin: 6px auto;
  }
  .product__right img{
    width: min(320px, 86%);
  }
}

.footer {
  background: linear-gradient(135deg, #01253f 0%, #000000 70%);
  color: white;
  padding: 3rem 2rem 2rem;
  position: relative;
}

.footer-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}

.footer-left {
  flex: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-logo {
  width: min(110px, 22vw);
  height: auto;
}

.company-name {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: bold;
  margin-bottom: 1rem;
}

.address-block {
  line-height: 1.5;
  font-size: clamp(0.65rem, 0.8vw, 0.75rem);
}

.footer-right {
  flex: 1.2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-caption {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: bold;
  color: white;
  text-align: center;
  margin-bottom: 0.1rem;
}

.footer-phone {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.footer-label {
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: bold;
}

.footer-numbers {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: bold;
  color: white;
  display: block;
  margin-top: 0.5rem;
}

.footer-contact-button {
  background-color: transparent;
  color: white;
  padding: 1rem 2rem;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  border: 1px solid white;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: nowrap;
  width: 100%;
  max-width: 350px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.footer-contact-button::after {
  content: '>';
  font-size: 1.5em;
  margin-left: 1rem;
  transition: transform 0.3s ease;
}

.footer-contact-button:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #90c2e7;
  color: #90c2e7;
}

.footer-sns {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.footer-sns img {
  height: min(60px, 10vw);
  transition: opacity 0.3s ease, transform 0.2s ease;
  padding: 0.5rem;
}

.footer-copy {
  font-size: 0.7rem;
  color: #ffffff;
  opacity: 0.7;
  text-align: center;
  margin-top: 2rem;
}

.reveal{
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.6s cubic-bezier(.22,.61,.36,1),
              transform 0.6s cubic-bezier(.22,.61,.36,1);
}

.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}
.reveal-up{ transform: translateY(60px); }
.reveal-up.is-visible{ transform: translateY(0); }


.reveal-scale{ transform: scale(.96); }


@media (prefers-reduced-motion: reduce){
  .reveal, .reveal.is-visible{
    transition: none;
    transform: none;
    opacity: 1;
  }
}


@media (max-width: 820px){
  .feature4__grid{ grid-template-columns: 1fr; }
  .f4card{ min-height: auto; }
}
/* Responsive */
@media (max-width: 980px){
  .scenes__grid{ grid-template-columns: repeat(2, 1fr); }
    .flow__grid{ grid-template-columns: 1fr; }
}

@media (max-width: 640px){
  .scenes__grid{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .flowbar{
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

@media (max-width: 768px){
  .footer-container{
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-left {
    flex-direction: column;
    align-items: center;
  }

  .footer-numbers {
    font-size: 1.5rem;
  }
} 

.sidebar-contact {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9999;
}

.sidebar-content {
  background: #0f6280;;
  padding: 1rem 0.75rem;
  box-shadow: -2px 2px 10px rgba(0, 0, 0, 0.2);
  border-radius: 10px 0 0 10px;
}

.sidebar-button {
  color: white;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1rem;
  border-radius: 18px;
  transition: transform 0.2s ease, color 0.2s ease;
}

.sidebar-icon {
  width: 36px;
  height: 36px;
  transform: scale(1.3);
}

.sidebar-button span {
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: 0.1em;
  line-height: 1.2;
}

.sidebar-button:hover {
  color: rgb(235, 103, 14);
}

/* 手機版位置調整 */
@media (max-width: 768px) {
  .sidebar-contact {
    top: auto;
    bottom: 20px;
    transform: none;
  }

  .sidebar-content {
    padding: 0.75rem 0.5rem;
  }

  .sidebar-icon {
    width: 40px;
    height: 40px;
    transform: scale(1);
  }

  .sidebar-button {
    font-size: 0.875rem;
    gap: 0.5rem;
  }
}

  </style>