/* ===================================================
   ミナトノイヌ / minato-no-inu — Flat & Simple Design
   Main:  #5E94E3
   Accent:#DDD04C
=================================================== */
:root{
  --main: #5E94E3;
  --main-dark: #4A7BC7;
  --main-soft: #EAF1FC;
  --accent: #DDD04C;
  --accent-soft: #FBF7DE;
  --ink: #37424D;
  --ink-soft: #7C8894;
  --bg: #FFFFFF;
  --bg-soft: #F5F8FD;
  --line: #E4EBF5;
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

/* 「M PLUS Rounded 1c」を、アルファベット・数字・記号の範囲だけに限定して割り当てるための専用フォント名を作成 */
/* @font-face{
  font-family:'MPlusLatinOverride';
  src: url('https://fonts.gstatic.com/s/mplusrounded1c/v22/VdGEAYIAV6gnpUpoWwNkYvrugw9RuMWBxL4.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+2000-206F, U+2E00-2E7F;
}*/

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  background:var(--bg);
  color:var(--ink);
  font-family:'M PLUS Rounded 1c', 'Zen Kaku Gothic New', sans-serif;
  font-weight:400;
  line-height:1.85;
  overflow-x:hidden;
}
.mono{ font-family:'M PLUS Rounded 1c', sans-serif; }
a{ color:inherit; text-decoration:none; }
img,svg{ display:block; }
::selection{ background:var(--accent-soft); color:var(--ink); }

/* ---------- KOREAN TYPEFACE OVERRIDE ---------- */
/* Body copy: Gothic A1 (wide weight range keeps 300/400/500/700 usage consistent) */
:lang(ko) body{
  font-family:'M PLUS Rounded 1c', 'Gothic A1', sans-serif;
}
/* Headings / display text: Jua (rounded, closest feel to M PLUS Rounded 1c) */
:lang(ko) h1,
:lang(ko) .hero-title,
:lang(ko) .section-title,
:lang(ko) .price-amount,
:lang(ko) .contact-title{
  font-family:'Jua', 'M PLUS Rounded 1c', sans-serif;
  font-weight:400; /* Jua only ships a single weight */
}

.wrap{ max-width:1100px; margin:0 auto; padding:0 32px; }

/* ---------- HEADER ---------- */
header{
  position:sticky; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 32px;
  background:rgba(255,255,255,0.9);
  backdrop-filter: blur(6px);
  border-bottom:1px solid var(--line);
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-weight:700; font-size:16px; color:var(--ink);
}
.logo-mark{
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
  overflow: hidden;
}
.logo-mark img{ width:40px; height:40px; border-radius: 50%;}
.logo small{ display:block; font-weight:400; font-size:11px; color:var(--ink-soft); }

nav{ display:flex; align-items:center; gap:6px; }
nav a{
  font-size:14px; font-weight:600; color:var(--ink);
  padding:9px 18px; border-radius:999px;
  transition:background .2s ease, color .2s ease;
}
nav a:hover{ background:var(--main-soft); color:var(--main-dark); }
nav a.cta{ background:var(--main); color:#fff; margin-left:6px; }
nav a.cta:hover{ background:var(--main-dark); color:#fff; }

.menu-btn{
  display:none; width:40px; height:40px; border-radius:12px;
  border:none; background:var(--main-soft); cursor:pointer;
  align-items:center; justify-content:center; flex-direction:column; gap:4px;
}
.menu-btn span{ width:18px; height:2px; background:var(--main-dark); border-radius:2px; display:block; }

/* ---------- HERO ---------- */
/*.hero{
  position:relative; overflow:hidden;
  padding:60px 0 60px;
  background:var(--bg-soft);
}*/
.hero{
  position:relative; overflow:hidden;
  padding:60px 0 60px;
  background:var(--bg-soft); /* 画像読み込み前の下敷き色 */
}
.hero-blob{
  position:absolute; border-radius:50%;
}
.hero-blob.b1{ width:340px; height:340px; background:var(--main-soft); top:-140px; right:-100px; }
.hero-blob.b2{ width:200px; height:200px; background:var(--accent-soft); bottom:-90px; left:-60px; }

.hero-inner{
  position:relative; z-index:2;
  /*display:flex; align-items:center; justify-content:space-between; gap:40px;*/
}
.hero-copy{ max-width:560px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--main-soft); color:var(--main-dark);
  font-size:12.5px; font-weight:700; letter-spacing:0.03em;
  padding:7px 16px; border-radius:999px; margin-bottom:22px;
}
.eyebrow .dot{ width:7px; height:7px; border-radius:50%; background:var(--accent); }

/* 空き状況：受付中 */
.availability-badge{
  display:inline-flex; align-items:center; gap:8px;
  margin-top:22px; /*margin-left:15%;*/
  font-size:13px; font-weight:700; color:var(--ink-soft);
}
.availability-dot{
  width:8px; height:8px; border-radius:50%; flex-shrink:0;
  background:#3FB27F;
  box-shadow:0 0 0 3px rgba(63,178,127,0.18);
}
.availability-badge.availability-badge-contact{
  position:relative; z-index:2;
  justify-content:center;
  margin-top:16px;
  color:rgba(255,255,255,0.92);
}
/* 空き状況：受付停止中 */
.availability-dot.is-closed{
  background:#D9534F;
  box-shadow:0 0 0 3px rgba(217,83,79,0.18);
}
.availability-badge-contact .availability-dot.is-closed{
  background:#FFD3D0;
  box-shadow:0 0 0 3px rgba(255,211,208,0.35);
}

/*  */
h1.hero-title{
  font-size:clamp(30px, 5.2vw, 50px);
  font-weight:700; line-height:1.4; letter-spacing:-0.01em;
  color:var(--ink);
}
h1.hero-title .accent-word{ color:var(--main); }

.hero-sub{
  margin-top:22px; color:var(--ink-soft); font-size:15.5px; max-width:460px;
}
.hero-actions{ display:flex; gap:12px; margin-top:32px; flex-wrap:wrap; }
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-size:14.5px; font-weight:700; padding:13px 26px; border-radius:999px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary{ background:var(--main); color:#fff; box-shadow:0 10px 24px -8px rgba(94,148,227,0.55); }
.btn-primary:hover{ background:var(--main-dark); transform:translateY(-2px); }
.btn-ghost{ background:#fff; color:var(--ink); border:1.5px solid var(--line); }
.btn-ghost:hover{ border-color:var(--main); color:var(--main-dark); transform:translateY(-2px); }

/*.hero-art{
  position:relative; width:500px; height:280px; flex-shrink:0;
}
.hero-art img{
  width:100%; height:100%; 
  width:100%; aspect-ratio:16/9; object-fit:cover;
  border-radius:var(--radius-md); margin-bottom:24px;
}*/
.hero-art{
  position:absolute;
  /*inset:0;*/
  top:0; right:0%; bottom:0; left:40%;  /* ← 左を35%空ける */
  z-index:0;
}
/*.hero-art img{
  width:100%; height:100%; object-fit:cover; display:block;
}*/
.hero-slideshow{ position:absolute; inset:0; }
.hero-slideshow img{
  position:absolute; inset:0;
  width:100%; height:100%; object-fit:cover; display:block;
  opacity:0; transition:opacity 1.4s ease;
}
.hero-slideshow img.active{ opacity:1; }

.hero-art-mobile{ display:none; }

.hero-art-overlay{
  position:absolute; inset:0;
  background:
    /* 縦方向:上を読みやすく、下にいくほど写真がくっきり(既存の指定) */
    /*
    linear-gradient(
      180deg,
      rgba(245,248,253,0.95) 0%,
      rgba(245,248,253,0.75) 0%,
      rgba(245,248,253,0.25) 0%,
      rgba(245,248,253,0.05) 100%
    ),
    */
    /* 横方向:画像の左端を背景色に馴染ませる(新規追加) */
    linear-gradient(
      90deg,
      rgba(245,248,253,1) 0%,
      rgba(245,248,253,0) 30%
    );
}

/*.hero-art svg{ width:100%; height:100%; } */

@media (max-width:860px){
  /*.hero-inner{ flex-direction:column-reverse; text-align:center; }*/
  .hero-copy{ max-width:100%; }
  .hero-sub{ margin-left:auto; margin-right:auto; }
  .hero-actions{ justify-content:center; }
  /*.hero-art{ width:180px; height:180px; }*/
}

/* ---------- SECTION ---------- */
.section{ padding:48px 0; } /* セクション間の余白。8の倍数だとバランスがいいらしい */
.section-head{
  text-align:center; max-width:560px; margin:0 auto 56px;
}
.section-tag{
  display:inline-block; font-size:12.5px; font-weight:700; color:var(--main-dark);
  background:var(--main-soft); padding:6px 16px; border-radius:999px; margin-bottom:16px;
}
.section-title{ font-size:28px; font-weight:700; letter-spacing:-0.01em; }
.section-desc{ margin-top:14px; color:var(--ink-soft); font-size:14.5px; }

/* ---------- WORK GRID ---------- */
.work-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:24px;
}
.work-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
  overflow:hidden; cursor:pointer;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.work-card:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 40px -18px rgba(55,66,77,0.25);
  border-color:var(--main-soft);
}
.work-thumb{
  aspect-ratio:4/3.4; background:var(--bg-soft);
  display:flex; align-items:center; justify-content:center;
  position:relative;
}
.work-thumb img{ width:100%; height:100%; max-width:100%;
    max-height:100%; object-fit:cover; }
/*
.work-thumb img{ width:100%; height:100%; object-fit:cover; }
.work-thumb img{
    width:auto;
    height:auto;
    max-width:100%;
    max-height:100%;
}*/

.work-thumb svg{ width:56%; }
.work-info{ padding:20px 22px 24px; }
.work-name{ font-size:15.5px; font-weight:700; margin-bottom:6px; }
.work-cat{ font-size:12px; color:var(--main-dark); font-weight:700; }

.placeholder-note{
  margin-top:28px; text-align:center; font-size:13px; color:var(--ink-soft);
  background:var(--accent-soft); padding:12px 20px; border-radius:var(--radius-sm);
}

/* ---------- WORK MODAL ---------- */
.modal-backdrop{
  position:fixed; inset:0; z-index:300; background:rgba(55,66,77,0.45);
  display:flex; align-items:center; justify-content:center; padding:20px;
  opacity:0; pointer-events:none; transition:opacity .25s ease;
}
.modal-backdrop.open{ opacity:1; pointer-events:auto; }
.mini-window{
  width:100%; max-width:460px; background:#fff; border-radius:var(--radius-lg);
  overflow:hidden; box-shadow:0 30px 70px -10px rgba(30,40,50,0.35);
  transform:translateY(18px) scale(0.97); transition:transform .3s ease;
}
.modal-backdrop.open .mini-window{ transform:translateY(0) scale(1); }
.window-titlebar{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 20px; border-bottom:1px solid var(--line);
}
.window-title{ font-size:13px; font-weight:700; color:var(--main-dark); }
.window-close{
  width:32px; height:32px; border-radius:50%; border:none; background:var(--bg-soft);
  color:var(--ink); font-size:14px; cursor:pointer; display:flex; align-items:center; justify-content:center;
}
.window-close:hover{ background:var(--main-soft); color:var(--main-dark); }
.window-viewport{
  position:relative; aspect-ratio:4/3; background:var(--bg-soft); /* 作品カードの縦横比 */
  overflow:hidden; touch-action:pan-y;
}
.modal-slider{ width:100%; height:100%; overflow:hidden; }
.slider-track{
  display:flex; height:100%; transition:transform .35s ease;
}
.slider-track .slide{
  flex:0 0 100%; height:100%; display:flex; align-items:center; justify-content:center;
}
.slider-track .slide svg{ width:40%; }
.slider-track .slide img{ width:100%; height:100%; object-fit:cover; }

.slider-zoom-hint{
  position:absolute; bottom:12px; right:12px; z-index:2;
  width:30px; height:30px; border-radius:50%; border:none;
  background:rgba(0,0,0,0.45); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-size:14px; cursor:pointer; transition:background .2s ease, transform .2s ease;
}
.slider-zoom-hint:hover{ background:rgba(0,0,0,0.7); transform:scale(1.08); }

.slider-arrow{
  position:absolute; top:50%; transform:translateY(-50%);
  width:34px; height:34px; border-radius:50%; border:none;
  background:rgba(255,255,255,0.9); color:var(--ink); font-size:18px; font-weight:700;
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  box-shadow:0 4px 12px rgba(30,40,50,0.18); transition:background .2s ease, color .2s ease;
}
.slider-arrow:hover{ background:var(--main); color:#fff; }
.slider-arrow.prev{ left:12px; }
.slider-arrow.next{ right:12px; }
.slider-arrow[hidden]{ display:none; }

.slider-dots{
  position:absolute; left:0; right:0; bottom:12px;
  display:flex; justify-content:center; gap:6px;
}
.slider-dot{
  width:7px; height:7px; border-radius:50%; border:none; padding:0;
  background:rgba(255,255,255,0.6); cursor:pointer; transition:background .2s ease, transform .2s ease;
}
.slider-dot.active{ background:#fff; transform:scale(1.3); }
.slider-dots ~ .slider-zoom-hint{ bottom:26px; }

/* ---------- IMAGE LIGHTBOX (full-size view) ---------- */
.image-lightbox{
  position:fixed; inset:0; z-index:300; background:rgba(10,12,16,0.9);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:opacity .25s ease; padding:32px;
}
.image-lightbox.open{ opacity:1; pointer-events:auto; }
.lightbox-content{
  max-width:92vw; max-height:88vh;
  display:flex; align-items:center; justify-content:center;
}
.lightbox-content img{
  max-width:92vw; max-height:88vh; width:auto; height:auto;
  object-fit:contain; border-radius:8px; display:block;
}
.lightbox-content svg{ width:min(320px, 60vw); }
.lightbox-close{
  position:absolute; top:22px; right:26px;
  width:38px; height:38px; border-radius:50%; border:none;
  background:rgba(255,255,255,0.12); color:#fff; font-size:16px; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:background .2s ease;
}
.lightbox-close:hover{ background:rgba(255,255,255,0.25); }

.window-body{ padding:24px 26px 28px; }
.modal-name{ font-size:19px; font-weight:700; margin-bottom:4px; }
.modal-cat{ font-size:12.5px; font-weight:700; color:var(--main-dark); margin-bottom:20px; }

.spec-row{
  display:flex; justify-content:space-between; padding:10px 0;
  border-bottom:1px solid var(--line); font-size:13.5px; color:var(--ink-soft);
}
.spec-row[hidden]{ display:none; }   /* ← これを追加でJS側のvideoRow.hidden = true;が正しく効くように */
.spec-row:last-child{ border-bottom:none; }
.spec-row span:last-child{ color:var(--ink); font-weight:700; }

#modalVideoLink{
  color:var(--main); font-weight:700; text-decoration:underline;
}
#modalVideoLink:hover{ color:var(--main-dark); }

/* ---------- ABOUT ---------- */
.about-layout{
  display:grid; grid-template-columns:1.1fr 0.9fr; gap:60px; align-items:start;
}
.about-text{ display:flex; flex-direction:column; }
.about-image { 
  width:100%; aspect-ratio:16/9; object-fit:cover;
  border-radius:var(--radius-md); margin-bottom:24px;
}
.about-text p{ color:var(--ink-soft); font-size:15.5px; margin-bottom:18px; }
.about-text p strong{ color:var(--ink); font-weight:700; }

.panel{
  background:var(--bg-soft); border-radius:var(--radius-md); padding:24px;
}
.panel + .panel{ margin-top:20px; }
.panel-head{ font-size:13px; font-weight:700; color:var(--main-dark); margin-bottom:16px; }

.skill-row{ margin-bottom:14px; }
.skill-row:last-child{ margin-bottom:0; }
.skill-label{ display:flex; justify-content:space-between; font-size:13px; margin-bottom:7px; }
.skill-label span:last-child{ color:var(--ink-soft); }
.skill-bar{ height:8px; background:#fff; border-radius:999px; overflow:hidden; }
.skill-bar > span{ display:block; height:100%; background:var(--main); border-radius:999px; }

.soft-tags{ display:flex; flex-wrap:wrap; gap:9px; }
.soft-tag{
  font-size:13px; font-weight:700; color:var(--ink);
  background:#fff; border:1.5px solid var(--line); padding:7px 15px; border-radius:999px;
}

/* ---------- CONTACT ---------- */
.contact-section{ padding:100px 0 110px; }
.contact-card{
  background:var(--main); border-radius:var(--radius-lg);
  padding:60px 50px; text-align:center; position:relative; overflow:hidden;
}
.contact-card::before{
  content:''; position:absolute; width:220px; height:220px; border-radius:50%;
  background:rgba(255,255,255,0.12); top:-90px; right:-60px;
}
.contact-card::after{
  content:''; position:absolute; width:160px; height:160px; border-radius:50%;
  background:var(--accent); opacity:0.25; bottom:-80px; left:-50px;
}
.contact-title{
  position:relative; z-index:2;
  font-size:clamp(24px, 3.6vw, 34px); font-weight:700; color:#fff; line-height:1.5;
}
.contact-links{
  position:relative; z-index:2;
  display:flex; justify-content:center; gap:12px; margin-top:32px; flex-wrap:wrap;
}
.contact-links a{
  font-size:14px; font-weight:700; color:var(--main);
  background:#fff; padding:12px 24px; border-radius:999px;
  display:inline-flex; align-items:center; gap:8px;
  transition:transform .18s ease, background .18s ease;
}
.contact-links a:hover{ transform:translateY(-2px); background:var(--accent-soft); }

/* ---------- FOOTER ---------- */
footer.footer-main{
  border-top:1px solid var(--line); padding:24px 0;
  display:flex; flex-direction:column; gap:10px;
  font-size:12.5px; color:var(--ink-soft);
}
.footer-row{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  width:100%;
}
.footer-translation-note{
  font-size:11.5px; color:var(--ink-soft); opacity:0.85;
}
.footer-translation-note a{ color:var(--main); text-decoration:underline; }
.footer-translation-note[hidden]{ display:none; }

/* ---------- TRANSLATION NOTICE BAR ---------- */
.translation-notice{
  background:var(--accent-soft); border-bottom:1px solid var(--line);
}
.translation-notice[hidden]{ display:none; }
.translation-notice-inner{
  display:flex; align-items:center; justify-content:center; gap:16px;
  padding:11px 40px; font-size:13px; color:var(--ink); text-align:center;
  position:relative;
}
.translation-notice-close{
  border:none; background:none; cursor:pointer; font-size:14px; color:var(--ink-soft);
  padding:4px 8px; line-height:1; flex-shrink:0;
}
.translation-notice-close:hover{ color:var(--ink); }
@media (max-width:600px){
  .translation-notice-inner{ padding:10px 20px; font-size:12px; gap:10px; }
}

/* ---------- SCROLL REVEAL ---------- */
.reveal{ opacity:0; transform:translateY(20px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- LANG SWITCH ---------- */
.lang-switch{
  display:flex; align-items:center; gap:2px;
  background:var(--bg-soft); border-radius:999px; padding:3px;
  margin-right:8px;
}
.lang-btn{
  border:none; background:transparent; cursor:pointer;
  font-size:12px; font-weight:700; color:var(--ink-soft);
  padding:6px 12px; border-radius:999px; transition:background .2s ease, color .2s ease;
  font-family:inherit;
}
.lang-btn.active{ background:var(--main); color:#fff; }
.lang-btn:not(.active):hover{ color:var(--main-dark); }

/* ---------- PRICING ---------- */
.pricing-grid{
  display:grid; grid-template-columns:repeat(3, 1fr); gap:24px; align-items:stretch;
}
.price-card{
  position:relative; background:#fff; border:1px solid var(--line);
  border-radius:var(--radius-lg); padding:32px 28px; display:flex; flex-direction:column;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.price-card:hover{
  transform:translateY(-6px);
  box-shadow:0 20px 40px -18px rgba(55,66,77,0.2);
}
.price-card.featured{
  background:var(--main); border-color:var(--main);
}
.price-badge{
  position:absolute; top:-14px; right:28px;
  background:var(--accent); color:var(--ink);
  font-size:12px; font-weight:700; padding:6px 16px; border-radius:999px;
  box-shadow:0 8px 16px -6px rgba(0,0,0,0.2);
}
.price-name{ font-size:17px; font-weight:700; }
.price-card.featured .price-name{ color:#fff; }
.price-desc{ font-size:13px; color:var(--ink-soft); margin-top:8px; min-height:38px; }
.price-card.featured .price-desc{ color:rgba(255,255,255,0.85); }
.price-amount{
  font-size:30px; font-weight:700; margin-top:20px; color:var(--ink);
}
.price-card.featured .price-amount{ color:#fff; }
.price-currency{ font-size:18px; font-weight:700; margin-right:2px; }
.price-unit{ font-size:13px; font-weight:400; color:var(--ink-soft); margin-left:4px; }
.price-card.featured .price-unit{ color:rgba(255,255,255,0.75); }

.price-features{
  list-style:none; margin:24px 0 28px; padding:0; flex:1;
}
.price-features li{
  font-size:13.5px; color:var(--ink-soft); padding:9px 0 9px 26px;
  border-bottom:1px solid var(--line); position:relative;
}
.price-features li:last-child{ border-bottom:none; }
.price-features li::before{
  content:'✓'; position:absolute; left:0; top:9px;
  color:var(--main); font-weight:700; font-size:13px;
}
.price-features li.not-included{ opacity:.55; }
.price-features li.not-included::before{
  content:'✕'; color:#c94f4f;
}
.price-card.featured .price-features li.not-included::before{ color:#ffbcbc; }
.price-card.featured .price-features li{ color:rgba(255,255,255,0.9); border-color:rgba(255,255,255,0.25); }
.price-card.featured .price-features li::before{ color:var(--accent); }

.price-cta{ width:100%; justify-content:center; text-align:center; }
.price-card.featured .btn-ghost{ background:#fff; border-color:#fff; }
.price-card.featured .btn-ghost:hover{ background:var(--accent-soft); }

/* ---------- RESPONSIVE ---------- */
@media (max-width:860px){
  nav{
    display:none; position:absolute; top:100%; left:0; right:0;
    background:#fff; flex-direction:column; align-items:stretch; gap:2px;
    padding:12px; border-bottom:1px solid var(--line);
    box-shadow:0 16px 30px -12px rgba(30,40,50,0.15);
  }
  nav.open{ display:flex; }
  nav a{ text-align:center; padding:13px 18px; }
  nav a.cta{ margin-left:0; }
  .menu-btn{ display:flex; }

  .work-grid{ grid-template-columns:repeat(2, 1fr); gap:16px; }
  .about-layout{ grid-template-columns:1fr; gap:36px; }
  .contact-card{ padding:44px 26px; }
  .wrap{ padding:0 20px; }
  header{ padding:16px 20px; }
  .section{ padding:64px 0; }
  .pricing-grid{ grid-template-columns:1fr; gap:20px; }
  .price-card.featured{ order:-1; }
}
@media (max-width:860px){
  /*通常時(PC)は.hero-art-mobile{ display:none; }で隠れていて、.hero-slideshow(複数枚のクロスフェード)が表示されます
画面幅860px以下(スマホ)になると、逆に.hero-slideshow{ display:none; }でスライドショーを隠し、.hero-art-mobileだけを表示します*/
  .hero-slideshow{ display:none; }
  .hero-art-mobile{
    display:block;
    width:100%; height:100%;
    object-fit:cover;
  }

  .hero{
    display:flex;
    flex-direction:column;
  }
  .hero-inner{
    order:1;
  }
  .hero-art{
    order:2;
    /* PC用の絶対配置・右寄せをリセットして通常の要素に戻す */
    position:relative;
    inset:auto; top:auto; right:auto; bottom:auto; left:auto;
    width:100%;
    aspect-ratio:4/3;           /* スマホでは正方形に近い比率の方がcoverが破綻しにくい */
    margin-top:28px;
    margin-bottom:0px;
    border-radius:var(--radius-md);
    overflow:hidden;
  }
  .hero-art-overlay{
    /* 画像が文章と分離するので、可読性用のオーバーレイはもう不要 */
    background:none;
  }
  .hero-inner{
    position:relative; z-index:2;
  }
}

@media (max-width:520px){
  .work-grid{ grid-template-columns:1fr; }
  .contact-links{ flex-direction:column; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
}

/* 先頭に戻るボタン */
.back-to-top{
  position:fixed; right:24px; bottom:24px; z-index:150; /* ボタンの位置 */
  width:48px; height:48px; border-radius:50%; border:none;
  background:var(--main); color:#fff;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; box-shadow:0 10px 24px -8px rgba(30,40,50,0.35);
  opacity:0; transform:translateY(12px); pointer-events:none;
  transition:opacity .25s ease, transform .25s ease, background .2s ease;
}
.back-to-top.show{ opacity:1; transform:translateY(0); pointer-events:auto; }
.back-to-top:hover{ background:var(--main-dark); }
.back-to-top svg{ width:20px; height:20px; }

@media (max-width:600px){
  .back-to-top{ right:16px; bottom:16px; width:44px; height:44px; }
}