/* ==========================================================================
   Capestone – Export Solutions LP
   Design width: 1600px (desktop) with tablet / mobile breakpoints
   ========================================================================== */

:root{
  --color-accent: #f0a825;
  --color-accent-dark: #d9910f;
  --color-text: #1c1c1c;
  --color-text-light: #6b6b6b;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f6f3;
  --color-pink: #fbe9ef;
  --color-dark: #15171c;
  --color-border: #e7e5e0;

  --font-en: 'Poppins', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;

  --max-width: 1600px;
  --side-pad: 6.25%; /* ~100px at 1600px */
}

*, *::before, *::after{ box-sizing: border-box; }

html{ scroll-behavior: auto; }

body{
  margin: 0;
  font-family: var(--font-jp);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul, ol{ list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p{ margin: 0; }

.accent{ color: var(--color-accent); }

/* Placeholder image blocks — swap with real photography */
.placeholder-img{
  position: relative;
  background: linear-gradient(135deg, #dfe4ea 0%, #c7ccd4 100%);
  overflow: hidden;
}
.placeholder-img::after{
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1em;
  text-align: center;
  font-family: var(--font-jp);
  font-size: 0.85rem;
  color: rgba(0,0,0,0.45);
  background: repeating-linear-gradient(
    45deg, rgba(255,255,255,0.35) 0 14px, rgba(255,255,255,0.15) 14px 28px
  );
}

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 1em 1.8em;
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  transition: opacity .2s ease, background .2s ease, color .2s ease;
}
.btn .arrow{ transition: transform .2s ease; }
.btn:hover .arrow{ transform: translateX(4px); }

.btn-primary{
  background: var(--color-accent);
  color: var(--color-text);
}
.btn-primary:hover{ background: var(--color-accent-dark); }

.btn-outline{
  background: rgba(255,255,255,0.9);
  color: var(--color-text);
}
.btn-outline:hover{ background: #fff; }

.link-arrow{
  display: inline-flex;
  width: 34px; height: 34px;
  align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-size: 1rem;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
  display: none;
}
.link-arrow:hover{
  background: var(--color-accent);
  border-color: var(--color-accent);
}


/* ==========================================================================
   Header
   ========================================================================== */

.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
   display: flex;        /* ← 追加：header-innerとボタンを横並びに */
  align-items: stretch;  /* ← 追加：ボタンが上下いっぱいの高さになる */
}

.header-inner{
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: 90px;
  padding: 0 var(--side-pad);
  gap: 2rem;
  flex: 1;   /* ← 追加：残りのスペースを埋めて、ボタン分だけ右を空ける */

}

.logo{
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.logo-img{
  height: 42px;
  width: auto;
  display: block;
}
.logo-text{ display: flex; flex-direction: column; line-height: 1.2; }
.logo-title{
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.01em;
}
.logo-sub{
  font-family: var(--font-en);
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--color-text-light);
}

.main-nav{ flex: 1; }
.main-nav ul{
  display: flex;
  justify-content: flex-end;
  gap: clamp(1rem, 3vw, 2.6rem);
}
.main-nav a{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}
.main-nav .en{
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.main-nav .ja{
  font-size: 0.68rem;
  color: var(--color-text-light);
}
.main-nav a:hover .en{ color: var(--color-accent-dark); }

.contact-cta{
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 2.2rem;
  background: var(--color-accent);
  clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%);
  font-weight: 600;
}
.contact-cta .en{ font-family: var(--font-en); font-size: 0.8rem; letter-spacing: 0.06em; }
.contact-cta .ja{ font-size: 0.7rem; }
.contact-cta svg{ margin-left: 0.2rem; }

.lang-switch{
  flex-shrink: 0;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.4rem 0.7rem;
  transition: background .2s ease, border-color .2s ease;
}
.lang-switch:hover{ background: var(--color-bg-alt); border-color: var(--color-text-light); }

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span{
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero{
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg{
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(8,14,28,0.62) 0%, rgba(8,14,28,0.32) 42%, rgba(8,14,28,0.05) 68%),
    url('../assets/images/hero.png');
  background-size: cover;
  background-position: center;
  z-index: 0;
  background-color: #080e1c;
}
.hero-content{
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 6rem var(--side-pad) 4rem;
  color: #fff;
}
.hero-content h1{
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  line-height: 1.15;
  text-shadow: 0 2px 18px rgba(0,0,0,0.25);
}
.hero-jp-title{
  margin-top: 1.4rem;
  font-size: 1.3rem;
  font-weight: 700;
}
.hero-text{
  margin-top: 1.2rem;
  font-size: 0.95rem;
  max-width: 34em;
  text-shadow: 0 1px 8px rgba(0,0,0,0.25);
}
.hero-buttons{
  margin-top: 2.2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-buttons .btn-primary{ display: none; }
.product-text .btn-primary{ display: none; }
.hero-buttons-mobile{ display: none; }
.hero-buttons-mobile .btn-outline{
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}
.hero-buttons-section{ display: none; }

.hero-scroll{
  position: absolute;
  left: 2rem;
  bottom: 2rem;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
}
.hero-scroll span{
  writing-mode: vertical-rl;
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
}
.hero-scroll i{
  width: 1px; height: 60px;
  background: rgba(255,255,255,0.6);
}

.hero-side-text{
  position: absolute;
  right: 1.4rem;
  top: 0; bottom: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  writing-mode: vertical-rl;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.75);
  justify-content: center;
}

/* ==========================================================================
   Generic content sections
   ========================================================================== */

.section{
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem var(--side-pad);
}

.section-index{
  position: absolute;
  left: 1.6rem;
  top: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  color: var(--color-text-light);

}
.section-index span{
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.85rem;
}
.section-index p{
  writing-mode: vertical-rl;
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
}
.mission-split .section-index{
  grid-area: media;
  top: 50%;
  transform: translateY(-50%);
  color: #fff;
  text-shadow: 0 1px 6px rgba(0,0,0,0.4);
}

.section-inner{ padding-left: 3.5rem; }

.card-grid{
  display: grid;
  gap: 2.4rem;
}
.card-grid-4{
  grid-template-columns: repeat(3, 1fr);
}

.strength-card .icon{
  display: inline-flex;
  color: var(--color-accent);
  margin-bottom: 1.4rem;
}

.strength-grid{ text-align: center; }
.strength-card .icon{ justify-content: center; width: 100%; }
.strength-card h3{ font-size: 1.05rem; font-weight: 700; margin-bottom: 0.6rem; }
.strength-card p{ font-size: 0.85rem; color: var(--color-text-light); }

/* ==========================================================================
   Product section
   ========================================================================== */

.product-section{
  background-image: url('../assets/images/product.jpg');
  background-size: cover;
  background-position: center;
  max-width: none;
  min-height: 560px;   /* セクションの高さを確保。数値はお好みで調整 */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  padding: 0;
}
.product-inner{
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  padding-left: 3.5rem;
  position: relative;
}
.overline{
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-accent-dark);
  margin-bottom: 1rem;
  padding-left: 3.5rem;
}
.product-text h2{
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1.4rem;
  padding-left: 3.5rem;
}
.product-copy{
  font-size: 0.9rem;
  color: #000000;
  margin-bottom: 2rem;
  padding-left: 3.5rem;
}
.product-text .btn{
  margin-left: 3.5rem;
}

.mission-split{
  position: relative;
  display: grid;
  grid-template-columns: 46% 54%;
  grid-template-rows: 1fr auto auto 1fr;   /* ← ここを変更 */
  grid-template-areas:
    "media ."
    "media top"
    "media bottom"
    "media .";                              /* ← ここも変更 */
  min-height: 85vh;
}

.mission-media{
  grid-area: media;
  margin-right: -20%;
  background-image: url('../assets/images/02_image.jpg');
  background-size: cover;
  background-position: 10% center;
}
/* top+bottomをまたいで1枚の斜めシェイプを敷く土台。
   これがないとtop側の低い高さの中だけで斜めが計算されてしまい、
   bottom側との境目が垂直線になってしまう */

.mission-shape{
  grid-column: 2;
  grid-row: 1 / 5;   /* 1 / 3 → 1 / 5 に変更 */
  background: #2b2f3a;
  clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
}

.mission-panel-top{
  grid-area: top;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  padding: 4rem 6rem 1.5rem 4.5rem;
}
.mission-panel-bottom{
  grid-area: bottom;
  position: relative;
  z-index: 1;
  padding: 0 6rem 4rem 4.5rem;
}
.product-mission{
  max-width: 40em;
  padding-left: 50px;
  
}

.overline-mission{
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-accent-dark);
  margin-bottom: 1rem;
}

.mission-heading{
  font-size: clamp(1.3rem, 2.1vw, 1.8rem);
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: #fff;
}
.mission-text{
  font-size: 0.9rem;
  color: rgba(255,255,255,0.82);
  line-height: 1.9;
}

.mini-strength-grid{
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  margin-top: 2.4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.mini-strength-card{
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.mini-strength-card .icon{
  display: inline-flex;
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 0.1rem;
}
.mini-strength-card h3{
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.3rem;
}
.mini-strength-card p{
  font-size: 0.82rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.6;
}

/* ==========================================================================
   Flow / News / CTA banner
   ========================================================================== */

.flow-news-section{ background: var(--color-bg-alt); max-width: none; padding: 0; }
.flow-news-grid{
    display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.news-col{ padding: 4rem 2.5rem; }
.inline-index{
  position: static;
  flex-direction: row;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.inline-index p{ writing-mode: horizontal-tb; letter-spacing: 0.1em; }

.news-list li{
  display: grid;
  grid-template-columns: 6.5em 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.85rem;
}
.news-list time{ color: var(--color-text-light); font-family: var(--font-en); font-size: 0.78rem; }

.cta-banner{
  position: relative;
  background-image:
    linear-gradient(180deg, rgba(15,15,25,0.25), rgba(15,15,25,0.75)),
    url('../assets/images/contact.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 320px;
}
.cta-overline{
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 0.8rem;
}
.cta-title{ font-size: 1.3rem; font-weight: 700; margin-bottom: 1.6rem; }
.cta-circle{
  display: inline-flex;
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.6);
  align-items: center;
  justify-content: center;
  transition: background .2s ease, border-color .2s ease;
}
.cta-banner:hover .cta-circle{
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer{
  background: #fff;
  border-top: 1px solid var(--color-border);
}
.footer-inner{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem var(--side-pad);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem 3rem;
}
.footer-address p{ font-size: 0.8rem; color: var(--color-text-light); margin-bottom: 0.2rem; }
.footer-company-name{ font-weight: 700; color: var(--color-text) !important; margin-bottom: 0.4rem !important; }
.footer-nav{
  grid-column: 3;        /* 1 / -1 (全列)だったのを、3列目だけに変更 */
  grid-row: 1;            /* ロゴ・住所と同じ行に配置 */
  text-align: right;      /* 右寄せ */
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--color-text-light);
}  
.footer-nav a:hover{ color: var(--color-accent-dark); }
.footer-copyright{
  grid-column: 1 / -1;
  font-size: 0.72rem;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
}

/* ==========================================================================
   Responsive – Tablet
   ========================================================================== */

@media (max-width: 1024px){
  .card-grid-4{ grid-template-columns: repeat(2, 1fr); }
  .product-inner{ grid-template-columns: 1fr; }
  .product-image{ order: -1; }
  .flow-news-grid{ grid-template-columns: 1fr; }
  .section-index{
  display: flex;
  position: static;
  flex-direction: row;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  margin-top: 3rem;      /* ← 追加。上の余白を調整 */
  margin-bottom: 1.5rem; /* ← すでにある。下の余白はこちらで調整 */
}
.product-inner .section-index{ margin-top: -0.5rem; }
.product-section{
  min-height: 0;
  padding: 2rem 0;
}
.section-index span{ font-size: 2.0rem; }   /* ← 追加。今は0.85rem */
.section-index p{
  writing-mode: horizontal-tb;
  letter-spacing: 0.1em;
  font-size: 2rem;
  font-weight: 500;
}
  .section-inner, .product-inner{ 
  padding-left: 0; 
  padding-bottom: 1; 
}
  .footer-inner{ grid-template-columns: 1fr; text-align: left; }
  .footer-nav{
  grid-column: 1 / -1;
  grid-row: auto;
  text-align: left;
  display: block;
}
  .overline, .product-text h2, .product-copy{ padding-left: 0; }   /* ← 追加 */
  .product-text .btn{ margin-left: 0; }                             /* ← 追加 */
}

/* ==========================================================================
   Responsive – Mobile
   ========================================================================== */

@media (max-width: 720px){
  :root{ --side-pad: 6%; }

  .header-inner{ height: 70px; gap: 1rem; }
  .logo-title{ font-size: 1.1rem; }

  .main-nav{
    position: fixed;
    inset: 70px 0 0 0;
    background: #fff;
    transform: translateX(100%);
    transition: transform .3s ease;
    overflow-y: auto;
    padding: 2rem 6%;
    flex: none;
  }
  .main-nav.is-open{ transform: translateX(0); }
  .main-nav ul{ flex-direction: column; justify-content: flex-start; gap: 1.5rem; }
  .main-nav a{ flex-direction: row; justify-content: space-between; }

  .nav-toggle{ display: flex; }
  .nav-toggle.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2){ opacity: 0; }
  .nav-toggle.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  .contact-cta{ padding: 0 1.2rem; clip-path: none; }
  .contact-cta .ja{ display: none; }

  .hero{ min-height: 85vh; }
  .hero-content{ padding: 4rem var(--side-pad) 3rem; }
  .hero-side-text, .hero-scroll{ display: none; }
  .hero-jp-title{ margin-top: clamp(3rem, 40vh, 40rem); }   /* 今は1.4rem。数値を大きくすると間隔が広がる */
  .hero-buttons{ flex-direction: column; }
  .hero-buttons .btn{ justify-content: center; }
  .hero-text br:nth-of-type(2){ display: none; }
  
  .hero-content .hero-buttons{ display: none; }   /* hero側(1つ目)をスマホで隠す */
  .hero-buttons-mobile{ display: flex; }
  .hero-buttons-section{
    display: block;
    background: var(--color-bg);
    padding: 2.5rem var(--side-pad);
  }

  .hero-bg{ background-position: 70% center; }
  
  .product-section{
    min-height: 0;
    padding: 3rem 0;
    background-image:
    linear-gradient(90deg, rgba(255,255,255,1) 0%, rgba(255,255,255,0.5) 15%, rgba(255,255,255,0) 75%),
    url('../assets/images/product.jpg');
    background-position: 80% center;}


  .section{ padding: 3.5rem var(--side-pad); }
  .card-grid-4{ grid-template-columns: 1fr; }

  .news-col{ padding-left: var(--side-pad); padding-right: var(--side-pad); }

  .inline-index{ margin-top: -3rem; }

  .news-list li{ grid-template-columns: 1fr; gap: 0.2rem; }

  .footer-nav{ line-height: 2; }

  .mission-split{
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto;
    grid-template-areas:
      "index"
      "top"
      "media"
      "bottom";
    min-height: auto;
  }
  .mission-media{ height: 40vh; margin-right: 0; }
  .mission-shape{ display: none; }
  .mission-panel-top{
    background: #2b2f3a;
    align-items: flex-start;
    padding: 0.5rem var(--side-pad) 1.5rem;
  }
  .mission-panel-bottom{
    background: #2b2f3a;
    padding: 1.5rem var(--side-pad) 3rem;
  }
  /* 「02 OUR STRENGTH」を見出しの上に独立した行として表示。
     絶対配置(absolute)をやめてグリッドの通常の1行にするので、
     縦書き(writing-mode)も横書きに直して帯として見せる */
  .mission-split .section-index{
    grid-area: index;
    position: static;
    transform: none;
    flex-direction: row;
    align-items: center;
    gap: 0.6rem;
    margin: 0;
    background: #2b2f3a;
    padding: 1.2rem var(--side-pad) 0;
  }
  .mission-split .section-index p{
    writing-mode: horizontal-tb;
  }
  .product-mission{
    padding-left: 0;
    max-width: none;
  }
}
.hero-content h1 + .hero-text{ margin-top: clamp(3rem, 40vh, 40rem); }