/* =========================================================
   株式会社サクセス  Corporate Site Stylesheet
   ========================================================= */

:root{
  --color-bg:        #ffffff;
  --color-bg-soft:   #f6f5f1;
  --color-ink:       #1a2533;
  --color-ink-soft:  #4a5663;
  --color-line:      #d8d4c8;
  --color-accent:    #234b78;     /* 落ち着いた紺 */
  --color-accent-2:  #b89968;     /* アンティークゴールド */
  --color-white:     #ffffff;
  --ff-jp: "Noto Sans JP", "Hiragino Sans", "ヒラギノ角ゴシック", "Yu Gothic", "游ゴシック", sans-serif;
  --ff-en: "Cormorant Garamond", "Times New Roman", serif;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{ scroll-behavior:smooth; }
body{
  font-family: var(--ff-jp);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; transition: opacity .2s ease, color .2s ease; }
a:hover{ opacity:.7; }
ul{ list-style:none; }

.container{
  width:100%;
  max-width: 1180px;
  margin:0 auto;
  padding: 0 32px;
}

/* =================== HEADER =================== */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index:100;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--color-line);
  transition: background .3s ease;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 18px 40px;
}
.logo{
  display:flex;
  flex-direction:column;
  line-height:1;
}
.logo-en{
  font-family: var(--ff-en);
  font-size: 26px;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  font-weight: 500;
}
.logo-jp{
  font-size: 11px;
  letter-spacing: 0.22em;
  margin-top:6px;
  color: var(--color-ink-soft);
}

.global-nav ul{
  display:flex;
  align-items:center;
  gap: 36px;
}
.global-nav a{
  display:flex;
  flex-direction:column;
  align-items:center;
  line-height:1.2;
  padding: 4px 0;
}
.nav-en{
  font-family: var(--ff-en);
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--color-ink);
}
.nav-jp{
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--color-ink-soft);
  margin-top:4px;
}
.nav-contact{
  border: 1px solid var(--color-accent);
  padding: 10px 18px !important;
  border-radius: 2px;
}
.nav-contact .nav-en{ color: var(--color-accent); font-weight:500; }
.nav-contact:hover{ background: var(--color-accent); opacity:1; }
.nav-contact:hover .nav-en,
.nav-contact:hover .nav-jp{ color:#fff; }

.menu-toggle{
  display:none;
  background:none; border:0;
  width: 36px; height: 28px;
  position:relative; cursor:pointer;
}
.menu-toggle span{
  position:absolute; left:0; right:0;
  height: 2px; background: var(--color-ink);
  transition: transform .3s ease, opacity .3s ease;
}
.menu-toggle span:nth-child(1){ top: 4px; }
.menu-toggle span:nth-child(2){ top: 13px; }
.menu-toggle span:nth-child(3){ top: 22px; }
.menu-toggle.open span:nth-child(1){ transform: translateY(9px) rotate(45deg); }
.menu-toggle.open span:nth-child(2){ opacity:0; }
.menu-toggle.open span:nth-child(3){ transform: translateY(-9px) rotate(-45deg); }

/* =================== HERO =================== */
.hero{
  position:relative;
  height: 100vh;
  min-height: 620px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
}
.hero-bg{
  position:absolute; inset:0;
  background:
    linear-gradient(135deg, rgba(20,30,45,0.0) 0%, rgba(20,30,45,0.45) 100%),
    url("../images/hero.svg") center/cover no-repeat;
  background-color: #1a2533;
  transform: scale(1.05);
  animation: heroZoom 12s ease-out forwards;
}
@keyframes heroZoom{
  from{ transform: scale(1.12); }
  to  { transform: scale(1.0); }
}
.hero-overlay{
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse at center, rgba(0,0,0,0.0) 0%, rgba(10,20,30,0.55) 100%);
}
.hero-content{
  position:relative;
  text-align:center;
  padding: 0 24px;
  z-index:2;
  animation: fadeUp 1.2s ease .3s both;
}
@keyframes fadeUp{
  from{ opacity:0; transform: translateY(24px); }
  to  { opacity:1; transform: translateY(0); }
}
.hero-tag{
  font-family: var(--ff-en);
  font-size: 14px;
  letter-spacing: 0.4em;
  margin-bottom: 26px;
  color: rgba(255,255,255,0.85);
}
.hero-title{
  font-size: clamp(34px, 5.6vw, 64px);
  font-weight: 500;
  letter-spacing: 0.15em;
  line-height: 1.5;
  text-shadow: 0 2px 24px rgba(0,0,0,0.35);
}
.hero-title span{ display:block; }
.hero-lead{
  margin-top: 28px;
  font-size: 15px;
  letter-spacing: 0.16em;
  font-weight: 300;
  line-height: 2;
  text-shadow: 0 1px 16px rgba(0,0,0,0.5);
}
.hero-scroll{
  position:absolute;
  bottom: 32px; left:50%;
  transform: translateX(-50%);
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: rgba(255,255,255,0.85);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 12px;
}
.scroll-line{
  width: 1px; height: 60px;
  background: rgba(255,255,255,0.6);
  position:relative;
  overflow:hidden;
}
.scroll-line::after{
  content:"";
  position:absolute; top:-60px; left:0;
  width:1px; height:60px;
  background:#fff;
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown{
  0%   { top:-60px; }
  100% { top: 60px; }
}

/* =================== SECTION COMMON =================== */
.section{
  padding: 140px 0;
  position:relative;
}
.section-head{
  text-align:center;
  margin-bottom: 80px;
}
.section-en{
  font-family: var(--ff-en);
  font-size: 14px;
  letter-spacing: 0.45em;
  color: var(--color-accent-2);
  margin-bottom: 14px;
}
.section-jp{
  font-size: 30px;
  letter-spacing: 0.2em;
  font-weight: 500;
  color: var(--color-ink);
  position:relative;
  display:inline-block;
  padding-bottom: 18px;
}
.section-jp::after{
  content:"";
  position:absolute;
  left:50%; bottom:0;
  transform: translateX(-50%);
  width: 36px; height: 1px;
  background: var(--color-accent-2);
}
.section-head.light .section-jp,
.section-head.light .section-en{ color:#fff; }
.section-head.light .section-jp::after{ background: var(--color-accent-2); }

/* =================== ABOUT =================== */
.about{
  background: var(--color-bg);
}
.about-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items:center;
}
.about-catch{
  font-size: 30px;
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: 0.12em;
  margin-bottom: 32px;
  color: var(--color-accent);
}
.about-body{
  font-size: 15px;
  color: var(--color-ink-soft);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}
.btn-line{
  display:inline-block;
  margin-top: 24px;
  padding: 14px 36px;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--ff-en);
  font-size: 13px;
  letter-spacing: 0.25em;
  transition: all .3s ease;
}
.btn-line:hover{
  background: var(--color-accent);
  color:#fff;
  opacity: 1;
}
.about-image{ text-align:center; }
.about-img-frame{
  width:100%;
  aspect-ratio: 4 / 5;
  background: var(--color-bg-soft);
  position:relative;
  overflow:hidden;
  box-shadow: 0 20px 50px -20px rgba(0,0,0,0.18);
}
.about-img-inner{
  position:absolute; inset:0;
  background:
    linear-gradient(135deg, rgba(35,75,120,0.15), rgba(184,153,104,0.20)),
    url("../images/about.svg") center/cover no-repeat;
  background-color: #cfd1cc;
  transition: transform .8s ease;
}
.about-img-frame:hover .about-img-inner{ transform: scale(1.05); }
.about-img-caption{
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--color-ink-soft);
}

/* =================== SERVICE =================== */
.service{
  background: var(--color-accent);
  color:#fff;
  position:relative;
}
.service::before{
  content:"";
  position:absolute;
  top:0; left:0; right:0; height: 1px;
  background: rgba(255,255,255,0.1);
}
.service-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.12);
}
.service-card{
  background: var(--color-accent);
  padding: 56px 44px;
  transition: background .3s ease;
}
.service-card:hover{
  background: #1c3d63;
}
.service-num{
  font-family: var(--ff-en);
  font-size: 42px;
  color: var(--color-accent-2);
  letter-spacing: 0.05em;
  margin-bottom: 18px;
  line-height: 1;
}
.service-title{
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.12em;
  margin-bottom: 6px;
}
.service-sub{
  font-family: var(--ff-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.6);
  margin-bottom: 22px;
}
.service-body{
  font-size: 14.5px;
  line-height: 2;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.05em;
}

/* =================== WORKS =================== */
.works{ background: var(--color-bg-soft); }
.works-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.work-item{
  background: #fff;
  overflow:hidden;
  cursor: pointer;
  box-shadow: 0 8px 24px -16px rgba(0,0,0,0.2);
  transition: transform .35s ease, box-shadow .35s ease;
}
.work-item:hover{
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -20px rgba(0,0,0,0.3);
}
.work-img{
  width:100%;
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  transition: transform .6s ease;
}
.work-item:hover .work-img{ transform: scale(1.08); }
.work-1 .work-img{ background-image: linear-gradient(135deg,#9aa78a,#5b6f54); }
.work-2 .work-img{ background-image: linear-gradient(135deg,#3d556e,#1a2533); }
.work-3 .work-img{ background-image: linear-gradient(135deg,#c8a781,#8a6a45); }
.work-4 .work-img{ background-image: linear-gradient(135deg,#7a8a9c,#3f5060); }
.work-5 .work-img{ background-image: linear-gradient(135deg,#2c4a6e,#0f1c2e); }
.work-6 .work-img{ background-image: linear-gradient(135deg,#d6cfc1,#8c8273); }
.work-item figcaption{
  padding: 22px 24px;
  display:flex;
  flex-direction:column;
  gap: 6px;
}
.work-cat{
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-accent-2);
}
.work-title{
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--color-ink);
}

/* =================== NEWS =================== */
.news{ background:#fff; }
.news-list{
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--color-line);
}
.news-list li{
  display:grid;
  grid-template-columns: 130px 110px 1fr;
  align-items:center;
  gap: 24px;
  padding: 22px 12px;
  border-bottom: 1px solid var(--color-line);
  transition: background .2s ease;
}
.news-list li:hover{ background: var(--color-bg-soft); }
.news-date{
  font-family: var(--ff-en);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}
.news-cat{
  display:inline-block;
  text-align:center;
  font-size: 11px;
  letter-spacing: 0.18em;
  padding: 5px 0;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
}
.news-text{
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--color-ink);
}

/* =================== COMPANY =================== */
.company{ background: var(--color-bg-soft); }
.company-table-wrap{
  max-width: 880px;
  margin: 0 auto;
}
.company-table{
  width:100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--color-line);
}
.company-table th,
.company-table td{
  padding: 22px 28px;
  text-align:left;
  border-bottom: 1px solid var(--color-line);
  font-size: 14.5px;
  letter-spacing: 0.06em;
  vertical-align: top;
}
.company-table th{
  width: 200px;
  background: #fafaf6;
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.14em;
}
.company-table tr:last-child th,
.company-table tr:last-child td{ border-bottom:0; }

/* =================== CONTACT =================== */
.contact{
  background: var(--color-ink);
  color: #fff;
}
.contact-lead{
  text-align:center;
  font-size: 15px;
  line-height: 2;
  letter-spacing: 0.08em;
  margin-bottom: 60px;
  color: rgba(255,255,255,0.85);
}
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto 70px;
}
.contact-box{
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 36px 32px;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 8px;
  transition: background .3s ease, border-color .3s ease;
}
.contact-box:hover{
  background: rgba(184,153,104,0.12);
  border-color: var(--color-accent-2);
  opacity: 1;
}
.contact-label{
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--color-accent-2);
}
.contact-value{
  font-family: var(--ff-en);
  font-size: 28px;
  letter-spacing: 0.1em;
  color: #fff;
  margin: 4px 0;
}
.contact-note{
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.6);
}
.contact-form{
  max-width: 720px;
  margin: 0 auto;
}
.form-row{
  margin-bottom: 26px;
}
.form-row label{
  display:block;
  font-size: 13px;
  letter-spacing: 0.16em;
  margin-bottom: 10px;
  color: rgba(255,255,255,0.9);
}
.form-row label span{
  display:inline-block;
  font-size: 10px;
  background: var(--color-accent-2);
  color: var(--color-ink);
  padding: 2px 8px;
  margin-left: 10px;
  letter-spacing: 0.1em;
}
.form-row input,
.form-row textarea{
  width:100%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 15px;
  letter-spacing: 0.06em;
  transition: border-color .2s ease, background .2s ease;
}
.form-row input::placeholder,
.form-row textarea::placeholder{ color: rgba(255,255,255,0.4); }
.form-row input:focus,
.form-row textarea:focus{
  outline:none;
  border-color: var(--color-accent-2);
  background: rgba(255,255,255,0.12);
}
.btn-submit{
  display:block;
  margin: 36px auto 0;
  padding: 16px 80px;
  background: var(--color-accent-2);
  color: var(--color-ink);
  border:0;
  font-family: var(--ff-jp);
  font-size: 15px;
  letter-spacing: 0.25em;
  font-weight: 500;
  cursor:pointer;
  transition: background .3s ease, color .3s ease;
}
.btn-submit:hover{
  background: #fff;
}

/* =================== FOOTER =================== */
.site-footer{
  background: #0f1822;
  color: rgba(255,255,255,0.75);
  padding: 60px 0 24px;
}
.footer-inner{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo{
  font-family: var(--ff-en);
  font-size: 26px;
  letter-spacing: 0.3em;
  color: #fff;
  margin-bottom: 6px;
}
.footer-jp{
  font-size: 12px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.7);
  margin-bottom: 18px;
}
.footer-addr{
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.06em;
}
.footer-nav ul{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 24px;
}
.footer-nav a{
  font-size: 13px;
  letter-spacing: 0.12em;
}
.footer-nav a::before{
  content: "—";
  margin-right: 10px;
  color: var(--color-accent-2);
}
.copyright{
  text-align:center;
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.4);
  margin-top: 24px;
}

/* =================== RESPONSIVE =================== */
@media (max-width: 960px){
  .header-inner{ padding: 14px 20px; }
  .global-nav{
    position: fixed;
    top: 0; right: -100%;
    width: 80%; max-width: 320px;
    height: 100vh;
    background: #fff;
    padding: 100px 32px 40px;
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    transition: right .35s ease;
  }
  .global-nav.open{ right: 0; }
  .global-nav ul{
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }
  .global-nav a{
    flex-direction: row;
    align-items: baseline;
    gap: 12px;
  }
  .menu-toggle{ display:block; z-index:101; }

  .section{ padding: 90px 0; }
  .section-head{ margin-bottom: 56px; }
  .section-jp{ font-size: 24px; letter-spacing: 0.15em; }

  .about-grid{
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .about-catch{ font-size: 24px; }

  .service-grid{ grid-template-columns: 1fr; }
  .service-card{ padding: 44px 28px; }

  .works-grid{ grid-template-columns: 1fr 1fr; gap: 18px; }

  .news-list li{
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 8px;
  }
  .news-cat{ justify-self:start; padding: 4px 14px; }

  .company-table th,
  .company-table td{ display:block; width:100%; padding: 14px 18px; }
  .company-table th{ border-bottom: 0; padding-bottom: 4px; }

  .contact-grid{ grid-template-columns: 1fr; }
  .contact-value{ font-size: 22px; }

  .footer-inner{ grid-template-columns: 1fr; }
  .footer-nav ul{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px){
  .works-grid{ grid-template-columns: 1fr; }
  .hero-title{ letter-spacing: 0.1em; }
}