@charset "UTF-8";
/* ============================================================
   株式会社日徳 コーポレートサイト
   ============================================================ */
:root{
  --white:#ffffff;
  --ink:#1f2730;
  --navy:#16375f;
  --gold:#9c8551;
  --gray:#767d86;
  --pale:#f8f6f2;
  --line:#e5e2da;
  --en:'Cormorant Garamond',serif;
  --serif:'Shippori Mincho',"Hiragino Mincho ProN","Yu Mincho",serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--white);
  color:var(--ink);
  font-family:'Noto Sans JP',"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic Medium",Meiryo,sans-serif;
  font-size:15px;
  line-height:2.1;
  letter-spacing:.05em;
  font-feature-settings:"palt";
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.inner{max-width:1080px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .35s ease, box-shadow .35s ease;
}
.header-inner{
  max-width:1280px;margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;
  height:84px;
  transition:height .35s ease;
}
.logo{display:flex;align-items:baseline;gap:12px;line-height:1;flex-shrink:0}
.logo .name{font-family:var(--serif);font-size:21px;font-weight:600;letter-spacing:.16em;color:#fff;transition:color .35s;text-shadow:0 1px 6px rgba(0,0,0,.45);white-space:nowrap}
.logo .en{font-family:var(--en);font-size:11px;font-weight:500;letter-spacing:.3em;color:rgba(255,255,255,.9);transition:color .35s;text-shadow:0 1px 5px rgba(0,0,0,.45)}
nav ul{display:flex;list-style:none;gap:36px}
nav a{
  position:relative;
  font-size:13px;font-weight:500;letter-spacing:.1em;color:#fff;
  padding:8px 0;transition:color .35s;
  text-shadow:0 1px 5px rgba(0,0,0,.5);
}
nav a::after{
  content:"";position:absolute;left:0;bottom:2px;
  width:100%;height:1px;background:currentColor;
  transform:scaleX(0);transform-origin:right;
  transition:transform .3s ease;
}
nav a:hover::after,nav a:focus-visible::after{transform:scaleX(1);transform-origin:left}
.tel-header{font-family:var(--en);font-size:15px;font-weight:500;letter-spacing:.08em;color:#fff;transition:color .35s;text-shadow:0 1px 5px rgba(0,0,0,.5)}
header.solid{background:rgba(255,255,255,.97);box-shadow:0 1px 0 var(--line)}
header.solid .header-inner{height:68px}
header.solid .logo .name{color:var(--navy);text-shadow:none}
header.solid .logo .en{color:var(--gray);text-shadow:none}
header.solid nav a{color:var(--ink);text-shadow:none}
header.solid .tel-header{color:var(--navy);text-shadow:none}
@media(max-width:900px){nav ul{gap:20px}.tel-header{display:none}}

/* ---------- hamburger ---------- */
.menu-btn{
  display:none;
  position:relative;z-index:210;
  width:44px;height:44px;
  background:none;border:none;cursor:pointer;
  -webkit-tap-highlight-color:transparent;
}
.menu-btn span{
  position:absolute;left:10px;
  width:24px;height:1.5px;background:#fff;
  transition:transform .35s ease, opacity .3s ease, background .35s ease;
  box-shadow:0 1px 3px rgba(0,0,0,.35);
}
.menu-btn span:nth-child(1){top:16px}
.menu-btn span:nth-child(2){top:22px}
.menu-btn span:nth-child(3){top:28px}
header.solid .menu-btn span{background:var(--ink);box-shadow:none}
body.menu-open .menu-btn span{background:var(--ink);box-shadow:none}
body.menu-open .menu-btn span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.menu-open .menu-btn span:nth-child(2){opacity:0}
body.menu-open .menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-menu{
  position:fixed;inset:0;z-index:200;
  background:rgba(255,255,255,.98);
  display:flex;flex-direction:column;justify-content:center;
  padding:0 40px;
  opacity:0;visibility:hidden;
  transition:opacity .4s ease, visibility .4s ease;
}
body.menu-open .mobile-menu{opacity:1;visibility:visible}
.mobile-menu ul{list-style:none}
.mobile-menu li + li{border-top:1px solid var(--line)}
.mobile-menu a{
  display:flex;align-items:baseline;gap:16px;
  padding:20px 4px;
  opacity:0;transform:translateY(12px);
  transition:opacity .4s ease, transform .4s ease;
}
body.menu-open .mobile-menu a{opacity:1;transform:none}
body.menu-open .mobile-menu li:nth-child(1) a{transition-delay:.08s}
body.menu-open .mobile-menu li:nth-child(2) a{transition-delay:.14s}
body.menu-open .mobile-menu li:nth-child(3) a{transition-delay:.2s}
body.menu-open .mobile-menu li:nth-child(4) a{transition-delay:.26s}
body.menu-open .mobile-menu li:nth-child(5) a{transition-delay:.32s}
.mobile-menu .m-en{
  font-family:var(--en);
  font-size:13px;letter-spacing:.24em;color:var(--gold);
  min-width:76px;
}
.mobile-menu .m-ja{
  font-family:var(--serif);
  font-size:17px;font-weight:600;letter-spacing:.14em;color:var(--ink);
}
.mobile-tel{margin-top:44px;text-align:center}
.mobile-tel .t{
  display:inline-block;
  font-family:var(--en);
  font-size:26px;font-weight:500;letter-spacing:.06em;color:var(--navy);
}
.mobile-tel .h{font-size:12px;color:var(--gray);letter-spacing:.12em;margin-top:2px}
body.menu-open{overflow:hidden}
body.menu-open header{z-index:220}

@media(max-width:680px){
  nav{display:none}
  .menu-btn{display:block}
  .logo{flex-direction:column;align-items:flex-start;gap:4px}
  .logo .name{font-size:17px;letter-spacing:.12em}
  .logo .en{font-size:8px;letter-spacing:.26em}
}

/* ---------- first view ---------- */
.fv{position:relative;height:100svh;min-height:560px;overflow:hidden}
.fv img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;object-position:center 28%;
}
.fv::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(to bottom, rgba(10,18,30,.5) 0%, rgba(10,18,30,0) 22%),
    linear-gradient(to top, rgba(10,18,30,.78) 0%, rgba(10,18,30,.38) 34%, rgba(10,18,30,0) 62%);
}
.fv-copy{
  position:absolute;z-index:2;
  left:max(32px, calc((100vw - 1280px)/2 + 32px));
  bottom:96px;
  color:#fff;
}
.fv-copy .since{
  font-family:var(--en);
  font-style:italic;
  font-size:15px;font-weight:500;letter-spacing:.34em;
  color:#fff;
  margin-bottom:14px;
  text-shadow:0 1px 3px rgba(0,0,0,.5), 0 2px 14px rgba(0,0,0,.35);
}
.fv-copy h1{
  font-family:var(--serif);
  font-size:clamp(28px,3.8vw,44px);
  font-weight:600;
  letter-spacing:.18em;
  line-height:2;
  text-shadow:0 2px 24px rgba(0,0,0,.3);
}
.fv-copy p.lead{
  margin-top:24px;
  font-size:clamp(13px,1.2vw,15px);
  font-weight:500;
  letter-spacing:.1em;line-height:2.3;
  color:#fff;
  text-shadow:0 1px 3px rgba(0,0,0,.5), 0 2px 16px rgba(0,0,0,.35);
}
.scroll-sign{
  position:absolute;z-index:2;
  right:40px;bottom:0;
  font-family:var(--en);
  font-size:12px;font-weight:500;letter-spacing:.32em;color:#fff;
  writing-mode:vertical-rl;
  padding-bottom:88px;
  text-shadow:0 1px 3px rgba(0,0,0,.55), 0 2px 12px rgba(0,0,0,.4);
}
.scroll-sign::after{
  content:"";position:absolute;left:50%;bottom:0;
  width:2px;height:72px;background:#fff;
  box-shadow:0 0 6px rgba(0,0,0,.4);
  animation:scrollline 2.6s ease-in-out infinite;
}
@keyframes scrollline{
  0%{transform:scaleY(0);transform-origin:top}
  45%{transform:scaleY(1);transform-origin:top}
  55%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}
@media(max-width:680px){
  .scroll-sign{right:14px;padding-bottom:56px;font-size:10px}
  .scroll-sign::after{height:48px}
  .fv-copy{left:24px;right:24px;bottom:64px}
  /* 「名古屋の街とともに、」を1行に収める：サイズは変えず字間だけ詰める */
  .fv-copy h1{letter-spacing:.09em}
  .fv-copy p.lead{padding-right:36px}
  /* スマホは表示範囲を少し右に寄せ、左端のビルの見切れを外す */
  .fv img{object-position:58% 30%}
  /* スマホはヘッダー背後の暗がりを少し強めてロゴの可読性を確保 */
  .fv::after{
    background:
      linear-gradient(to bottom, rgba(10,18,30,.52) 0%, rgba(10,18,30,.18) 14%, rgba(10,18,30,0) 26%),
      linear-gradient(to top, rgba(10,18,30,.78) 0%, rgba(10,18,30,.38) 34%, rgba(10,18,30,0) 62%);
  }
  .logo .name{text-shadow:0 1px 4px rgba(0,0,0,.55), 0 2px 8px rgba(0,0,0,.35)}
  .logo .en{text-shadow:0 1px 4px rgba(0,0,0,.55)}
}

/* ---------- section common ---------- */
section{padding:88px 0;scroll-margin-top:64px;position:relative;overflow:hidden}
@media(max-width:680px){section{padding:60px 0}}
section.alt{background:var(--pale)}
.sec-head{margin-bottom:48px}
.sec-head .num{
  font-family:var(--en);
  font-size:13px;font-weight:500;letter-spacing:.3em;color:var(--gold);
}
.sec-head .row{display:flex;align-items:baseline;gap:24px;flex-wrap:wrap;margin-top:4px}
.sec-head .en{
  font-family:var(--en);
  font-size:clamp(30px,3.2vw,40px);
  font-weight:500;letter-spacing:.1em;
  color:var(--ink);line-height:1.2;
}
.sec-head .ja{
  font-family:var(--serif);
  font-size:13px;font-weight:600;letter-spacing:.24em;color:var(--gray);
  position:relative;
  padding-left:40px;
}
.sec-head .ja::before{
  content:"";position:absolute;left:0;top:50%;
  width:28px;height:1px;background:var(--gold);
}
/* fade-up（JS有効時のみ発動） */
body.js-anim .fade{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease}
body.js-anim .fade.show{opacity:1;transform:none}

/* ---------- about ---------- */
.about-grid{
  display:grid;grid-template-columns:1.05fr .8fr;gap:80px;
  align-items:stretch;
}
.about-text p{max-width:640px}
.about-text p + p{margin-top:1.6em}
.about-photo{margin:0}
.about-photo img{
  width:100%;height:100%;
  min-height:440px;
  object-fit:cover;display:block;
}
.license{
  max-width:640px;
  margin-top:56px;
  border-top:1px solid var(--ink);
  border-bottom:1px solid var(--line);
  padding:28px 4px;
}
.license p{font-size:13px;line-height:2;color:var(--ink)}
.license .license-title{
  font-family:var(--serif);
  font-size:13px;font-weight:700;letter-spacing:.28em;color:var(--navy);
  margin-bottom:10px;
}
.license .license-num{
  margin-top:8px;font-weight:600;letter-spacing:.06em;
}
@media(max-width:820px){
  .about-grid{grid-template-columns:1fr;gap:56px}
  .about-photo img{min-height:0;height:auto}
  .about-photo{max-width:480px}
}

/* ---------- service ---------- */
.service-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}
.service-item{
  position:relative;
  background:var(--white);padding:44px 32px;
  transition:background .35s ease;
}
.service-item::before{
  content:"";position:absolute;top:0;left:0;
  width:100%;height:2px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;
  transition:transform .4s ease;
}
@media (hover:hover){
  .service-item:hover{background:#fcfbf8}
  .service-item:hover::before{transform:scaleX(1)}
}
.service-item .num{
  font-family:var(--en);
  font-size:17px;font-weight:400;letter-spacing:.2em;color:var(--gold);
}
.service-item h3{
  font-family:var(--serif);
  font-size:16px;font-weight:600;letter-spacing:.1em;margin:14px 0 12px;line-height:1.8;
}
.service-item p{font-size:13px;color:var(--gray);line-height:2}
@media(max-width:820px){.service-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.service-grid{grid-template-columns:1fr}}

/* ---------- clients ---------- */
.clients-note{font-size:12px;color:var(--gray);margin-bottom:32px;letter-spacing:.1em}
.clients{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.clients li{
  list-style:none;
  border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:20px 24px;font-size:14px;letter-spacing:.06em;background:var(--white);
  transition:background .3s ease;
}
@media (hover:hover){
  .clients li:hover{background:var(--pale)}
}
@media(max-width:760px){.clients{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.clients{grid-template-columns:1fr}}

/* ---------- company ---------- */
.company-table{width:100%;border-collapse:collapse;max-width:860px}
.company-table th,.company-table td{
  border-bottom:1px solid var(--line);
  padding:24px 8px;vertical-align:top;text-align:left;
  font-size:14px;line-height:2;
}
.company-table th{
  width:180px;font-family:var(--serif);font-weight:600;color:var(--navy);letter-spacing:.14em;white-space:nowrap;
}
.company-table td ul{list-style:none}
@media(max-width:560px){
  .company-table th,.company-table td{display:block;width:100%;padding:8px 0}
  .company-table th{border-bottom:none;padding-top:24px}
}

/* ---------- contact ---------- */
section#contact{background:var(--navy)}
section#contact .sec-head .num{color:var(--gold)}
section#contact .sec-head .en{color:#fff}
section#contact .sec-head .ja{color:rgba(255,255,255,.72)}
.contact-box{
  border:1px solid rgba(255,255,255,.25);
  max-width:680px;margin:0 auto;
  padding:56px 32px;text-align:center;
}
.contact-box .label{font-size:13px;letter-spacing:.16em;color:rgba(255,255,255,.75)}
.contact-box .tel{
  display:inline-block;
  font-family:var(--en);
  font-size:40px;font-weight:400;letter-spacing:.06em;color:#fff;
  margin:14px 0 4px;line-height:1.4;
}
.contact-box .hours{font-size:13px;color:rgba(255,255,255,.7);letter-spacing:.12em}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:64px 0 44px;background:var(--white)}
.footer-inner{max-width:1280px;margin:0 auto;padding:0 32px}
.footer-name{font-family:var(--serif);font-size:18px;font-weight:600;letter-spacing:.18em;color:var(--navy)}
.footer-en{font-family:var(--en);font-size:10px;letter-spacing:.3em;color:var(--gray);margin-top:4px}
.footer-addr{font-size:13px;color:var(--gray);margin-top:16px;line-height:2.1}
.copyright{font-family:var(--en);font-size:11px;font-weight:300;color:var(--gray);letter-spacing:.14em;margin-top:48px}

@media(max-width:350px){
  .fv-copy h1{font-size:25px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .scroll-sign::after{animation:none;transform:scaleY(1)}
  body.js-anim .fade{opacity:1;transform:none;transition:none}
}