/* TOPデザイン案 専用 */

/* ---------- header extras ---------- */
.hd .tel-h{display:flex;flex-direction:column;align-items:flex-end;line-height:1.2}
.hd .tel-h b{font-family:var(--f-en);font-weight:600;font-size:19px;letter-spacing:.06em;color:var(--navy);white-space:nowrap}
.hd .tel-h small{font-size:11px;color:var(--mute);letter-spacing:.06em}

/* ---------- MV（全面写真・切り替え） ---------- */
.hero{position:relative;height:min(92vh,920px);min-height:620px;overflow:hidden;background:var(--navy);color:var(--white)}
.hero-slides{position:absolute;inset:0}
.hero-slides img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.06);transition:opacity 1.6s ease,transform 8s linear}
.hero-slides img.on{opacity:1;transform:scale(1)}
.hero-slides::after{content:"";position:absolute;inset:0;background:var(--blue);mix-blend-mode:multiply;opacity:.38}
.hero-in{position:relative;z-index:2;height:100%;max-width:1440px;display:flex;align-items:center;justify-content:flex-end}
.hero-copy{max-width:760px;padding-bottom:60px}
.hero-copy .kick{font-family:var(--f-en);font-weight:600;font-size:15px;letter-spacing:.3em;margin-bottom:22px}
.hero-copy h1{font-family:var(--f-serif);font-weight:900;font-size:clamp(40px,6vw,96px);line-height:1.3;letter-spacing:.06em}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:170px;z-index:1}
.hero-info{position:absolute;left:40px;bottom:124px;z-index:2;width:380px;display:grid;gap:10px}
.hero-badge{background:var(--white);color:var(--navy);border-radius:12px;padding:16px 22px 18px}
.hero-badge .t{display:block;font-family:var(--f-en);font-weight:600;font-size:12px;letter-spacing:.24em;color:var(--blue)}
.hero-badge p{display:flex;flex-wrap:wrap;gap:4px 18px;margin-top:4px}
.hero-badge b{font-family:var(--f-en);font-weight:700;font-size:22px;letter-spacing:.04em;line-height:1.3}
.hero-badge .s{display:block;font-weight:700;font-size:13px;margin-top:2px}
.hero-news{display:grid;grid-template-columns:1fr 36px;gap:4px 16px;align-items:center;background:var(--white);color:var(--navy);border-radius:12px;padding:14px 18px 16px 22px}
.hero-news .hd2{display:flex;align-items:baseline;gap:12px}
.hero-news .hd2 b{font-family:var(--f-en);font-weight:600;font-size:15px;letter-spacing:.14em;color:var(--blue)}
.hero-news .d{font-family:var(--f-en);font-weight:500;font-size:13px;letter-spacing:.06em;color:var(--mute)}
.hero-news .t{grid-column:1;font-weight:700;font-size:14px;line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hero-news .arr{grid-column:2;grid-row:1/3;width:36px;height:36px;font-size:13px}
.hero-news:hover .t{color:var(--blue)}@media (prefers-reduced-motion:reduce){.hero-slides img{transition:none;transform:none}}
/* ---------- FIELDS（街のイラスト） ---------- */
.fields{background:var(--white);padding-top:30px}
.fd-stage{position:relative;max-width:1680px;margin:0 auto}
.city-scroll{overflow:hidden}
.city{position:relative;width:100%;aspect-ratio:16/9}
.city>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center bottom}
.fd-copy{position:absolute;left:6%;top:4%;width:min(46%,680px);z-index:2}
.fd-copy .h2{margin:22px 0 14px;font-size:clamp(30px,3.6vw,54px)}
.fd-copy .lead{font-size:17px;line-height:2;max-width:560px}
.spot{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);z-index:3;width:38px;height:38px;border-radius:50%;border:0;background:var(--orange);color:var(--white);font-family:var(--f-en);font-weight:700;font-size:15px;letter-spacing:.02em;cursor:pointer;outline:3px solid var(--white);transition:background .2s,transform .2s}
.spot:hover,.spot:focus-visible,.spot.on,.spot.hl{background:var(--navy);transform:translate(-50%,-50%) scale(1.12)}
.spot .lb{position:absolute;left:50%;bottom:calc(100% + 14px);transform:translateX(-50%);width:max-content;max-width:260px;background:var(--navy);color:var(--white);padding:12px 16px 14px;border-radius:6px;text-align:left;font-family:var(--f-sans);font-weight:500;font-size:13px;line-height:1.7;letter-spacing:.04em;opacity:0;visibility:hidden;transition:opacity .2s;pointer-events:none}
.spot .lb b{display:block;font-weight:700;font-size:15px}
.spot:hover .lb,.spot:focus-visible .lb,.spot.on .lb{opacity:1;visibility:visible}
.spot.lt .lb{background:var(--white);color:var(--navy)}
.spot.dn .lb{bottom:auto;top:calc(100% + 14px)}
.city-hint{display:none;font-size:12px;color:var(--mute);padding:8px 16px 0}
.fd-legend{background:var(--navy);color:var(--white)}
.fd-legend .wrap{display:grid;grid-template-columns:200px 1fr;gap:30px;align-items:center;padding-top:26px;padding-bottom:28px;max-width:1680px}
.fd-legend .t{font-weight:700;font-size:14px;letter-spacing:.12em;line-height:1.6}
.fd-legend .t small{display:block;font-family:var(--f-en);font-weight:500;font-size:12px;letter-spacing:.22em;color:#9fc0ee}
.fd-legend ul{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:8px 18px}
.fd-legend a{display:flex;align-items:center;gap:10px;font-weight:700;font-size:14px;line-height:1.4}
.fd-legend a span{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--orange);font-family:var(--f-en);font-weight:600;font-size:12px;flex:none}
.fd-legend a:hover{color:#9fc0ee}

/* ---------- STORY ---------- */
.story .wrap{display:grid;grid-template-columns:6fr 6fr;gap:80px;align-items:start}
.initials{font-family:var(--f-en);font-weight:700;line-height:.98;letter-spacing:.01em;color:var(--navy)}
.initials span{display:block;font-size:clamp(52px,7vw,112px)}
.initials b{color:var(--blue);font-weight:700}
.initials-note{margin-top:26px;font-size:14px;color:var(--mute)}
.story .h2{margin:22px 0 30px}
.story p.body{font-size:16px;line-height:2.15;margin-bottom:20px}
.story .sign{margin-top:30px;font-weight:700;font-size:15px;letter-spacing:.12em;color:var(--navy)}
.band{position:relative;height:clamp(300px,34vw,500px);overflow:hidden;background:var(--navy)}
.band img{width:100%;height:100%;object-fit:cover;object-position:50% 45%}
.band figcaption{position:absolute;left:24px;bottom:18px;font-size:12px;color:var(--white);background:rgba(11,26,48,.78);padding:4px 12px;border-radius:4px}

/* ---------- CYCLE ---------- */
.cycle .wrap{display:grid;grid-template-columns:5fr 7fr;gap:80px;align-items:center}
.ring{width:100%;max-width:480px;margin:0 auto}
.cycle .h2{margin:22px 0 18px}
.cy-list{margin-top:36px}
.cy-list li{display:grid;grid-template-columns:56px 132px 1fr;gap:22px;align-items:center;padding:16px 0}
.cy-list li+li{border-top:1px solid rgba(255,255,255,.22)}
.cy-list .n{font-family:var(--f-en);font-weight:700;font-size:34px;line-height:1;color:var(--white)}
.cy-list .ph{aspect-ratio:4/3;border-radius:6px;overflow:hidden;background:var(--white)}
.cy-list .ph img{width:100%;height:100%;object-fit:cover}
.cy-list .ph.ct img{object-fit:contain;padding:8px}
.cy-list h3{font-weight:700;font-size:18px;line-height:1.5}
.cy-list h3 small{font-family:var(--f-en);font-weight:500;font-size:13px;letter-spacing:.2em;color:#cfe0f7;margin-right:10px}
.cy-list p{font-size:14px;line-height:1.85;color:#e3ecf8}

/* ---------- PRODUCTS ---------- */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:64px}
.sec-head .lead-p{max-width:520px}
.promise{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}
.pm .il{aspect-ratio:4/3;background:var(--steel-l);border-radius:6px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.pm .il img{width:100%;height:100%;object-fit:contain}
.pm .v{font-family:var(--f-serif);font-weight:900;font-size:clamp(34px,3.4vw,50px);line-height:1.2;color:var(--navy);margin-top:26px}
.pm .en{display:block;font-family:var(--f-en);font-weight:600;font-size:13px;letter-spacing:.26em;color:var(--blue);margin:8px 0 12px}
.pm p{font-size:15px;line-height:1.95;color:var(--mute)}
.prod-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.prod{display:flex;flex-direction:column;background:var(--white);border-radius:6px;overflow:hidden;transition:transform .25s}
.prod:hover{transform:translateY(-4px)}
.prod .ph{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:18px;background:var(--white)}
.prod .ph img{width:100%;height:100%;object-fit:contain}
.prod .tx{padding:4px 24px 26px;display:flex;flex-direction:column;flex:1}
.prod .no{font-family:var(--f-en);font-weight:600;font-size:13px;letter-spacing:.2em;color:var(--blue)}
.prod h3{font-weight:700;font-size:18px;line-height:1.5;margin:4px 0 6px;color:var(--navy)}
.prod p{font-size:14px;line-height:1.8;color:var(--mute);flex:1}
.prod .ft-row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:16px}
.prod .tags{display:flex;flex-wrap:wrap;gap:6px}
.prod .arr{width:34px;height:34px;font-size:13px}
.prod-more{display:flex;flex-wrap:wrap;gap:16px 40px;margin-top:44px;align-items:center}

/* ---------- TECHNOLOGY ---------- */
.tech .top{display:grid;grid-template-columns:6fr 6fr;gap:80px;align-items:start}
.tech .h2{margin:22px 0 24px;font-size:clamp(26px,2.9vw,40px)}
.tech .lead-p{color:#e3ecf8}
.facts{margin-top:34px}
.facts li{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:14px 0;font-size:15px;line-height:1.8}
.facts li+li{border-top:1px solid rgba(255,255,255,.16)}
.facts .k{font-family:var(--f-en);font-weight:700;font-size:20px;color:#9fc0ee}
.facts b{display:block;font-size:17px;color:var(--white)}
.facts span{color:#c9d6e8}
.diagram{background:var(--white);border-radius:6px;padding:30px 30px 26px;color:var(--navy)}
.diagram h3{font-weight:700;font-size:15px;letter-spacing:.1em;color:var(--blue);margin-bottom:14px}
.diagram svg{width:100%;height:auto;display:block}
.diagram p{font-size:13px;color:var(--mute);margin-top:12px;line-height:1.8}
.adopt{margin-top:22px;font-size:14px;line-height:1.9;color:#c9d6e8}
.adopt b{color:var(--white)}
.tech-sub{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:70px}
.ts{display:grid;grid-template-columns:120px 1fr;gap:20px;align-items:center;background:var(--blue);border-radius:6px;padding:22px 24px 22px 22px;color:var(--white)}
.ts .ph{aspect-ratio:1/1;border-radius:4px;overflow:hidden;background:var(--white)}
.ts .ph img{width:100%;height:100%;object-fit:cover}
.ts .ph.ct img{object-fit:contain;padding:6px}
.ts h3{font-weight:700;font-size:17px;line-height:1.5}
.ts p{font-size:13px;line-height:1.8;color:#e3ecf8;margin-top:4px}
.ts:hover{background:var(--blue-d)}

/* ---------- NUMBERS ---------- */
.num-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.num{position:relative;background:var(--blue);color:var(--white);border-radius:6px;padding:28px 28px 32px}
.num .lb{display:inline-block;background:var(--white);color:var(--blue);font-weight:700;font-size:13px;letter-spacing:.1em;padding:2px 14px;border-radius:999px;line-height:1.8}
.num svg{position:absolute;right:24px;top:24px;width:40px;height:40px}
.num .v{display:block;font-family:var(--f-en);font-weight:700;font-size:clamp(48px,4.2vw,70px);line-height:1;margin:34px 0 12px;letter-spacing:.01em;white-space:nowrap}
.num .v small{font-family:var(--f-serif);font-weight:900;font-size:19px;margin-left:6px;letter-spacing:.04em}
.num p{font-size:14px;line-height:1.85;color:#e3ecf8}
.certs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:56px}
.cert .c{display:block;font-family:var(--f-en);font-weight:700;font-size:26px;letter-spacing:.04em;color:var(--navy);line-height:1.2}
.cert .c.jp{font-family:var(--f-sans);font-size:20px;letter-spacing:.06em}
.cert p{font-size:13px;line-height:1.8;color:var(--mute);margin-top:6px}

/* ---------- SOLUTION ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.sol{display:flex;flex-direction:column;background:var(--white);border-radius:6px;padding:28px 26px 26px}
.sol svg{width:56px;height:56px;color:var(--blue)}
.sol .q{font-family:var(--f-serif);font-weight:900;font-size:19px;line-height:1.6;color:var(--navy);margin:18px 0 10px;flex:1}
.sol .a{display:flex;justify-content:space-between;align-items:center;gap:12px;font-weight:700;font-size:14px;color:var(--blue);line-height:1.6}
.sol .arr{width:34px;height:34px;font-size:13px}
.sol:hover .q{color:var(--blue)}

/* ---------- INDUSTRY (photo nav) ---------- */
.ind-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px 24px}
.ind .ph{aspect-ratio:4/3;border-radius:6px;overflow:hidden;background:var(--navy)}
.ind .ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.ind:hover .ph img{transform:scale(1.05)}
.ind .lb{display:flex;align-items:center;gap:12px;margin-top:16px;font-weight:700;font-size:17px;line-height:1.5;color:var(--navy)}
.ind .lb .arr{width:28px;height:28px;font-size:12px}
.ind p{font-size:13px;color:var(--mute);margin-top:4px;padding-left:40px;line-height:1.7}

/* ---------- MILESTONES ---------- */
.ms-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:56px}
.ms-nav{display:flex;gap:12px}
.ms-nav button{width:52px;height:52px;border-radius:50%;border:0;background:var(--white);color:var(--navy);font-size:18px;font-weight:700;cursor:pointer}
.ms-nav button:hover{background:var(--blue);color:var(--white)}
.ms-rail{--gut:max(40px,calc((100vw - var(--wrap))/2 + 40px));display:grid;grid-auto-flow:column;grid-auto-columns:minmax(300px,340px);gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 var(--gut) 30px;scroll-padding-inline:var(--gut);scrollbar-width:thin;scrollbar-color:#3d5a80 transparent}
.ms{scroll-snap-align:start}
.ms .ph{aspect-ratio:4/3;border-radius:6px;overflow:hidden;background:var(--white)}
.ms .ph img{width:100%;height:100%;object-fit:cover}
.ms .ph.ct img{object-fit:contain;padding:14px}
.ms .y{display:block;font-family:var(--f-en);font-weight:700;font-size:56px;line-height:1;color:var(--white);margin:22px 0 10px}
.ms h3{font-weight:700;font-size:18px;line-height:1.55}
.ms p{font-size:14px;line-height:1.85;color:#c9d6e8;margin-top:6px}

/* ---------- NEWS ---------- */
.news-list li a{display:grid;grid-template-columns:220px 1fr 44px;gap:32px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.news-list li:first-child a{border-top:1px solid var(--line)}
.news-list .th{aspect-ratio:16/9;background:var(--white);border-radius:4px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.news-list .th img{width:100%;height:100%;object-fit:contain;padding:8px}
.news-list .th.photo img{object-fit:cover;padding:0}
.news-list .th.ph-logo{background:var(--navy);color:var(--white);font-family:var(--f-en);font-weight:700;font-size:26px;letter-spacing:.14em}
.news-list .meta{display:flex;align-items:center;gap:14px;margin-bottom:6px}
.news-list .tag,.article .tag{border-radius:999px;background:var(--white);box-shadow:inset 0 0 0 1.5px var(--blue);padding:1px 14px}
.news-list .date{font-family:var(--f-en);font-weight:500;font-size:15px;letter-spacing:.1em;color:var(--mute)}
.news-list h3{font-weight:700;font-size:18px;line-height:1.6;color:var(--navy);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list p{font-size:14px;color:var(--mute);line-height:1.8;margin-top:2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list li a:hover h3{color:var(--blue)}

/* ---------- BANNERS / CONTACT ---------- */
.banners{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));background:var(--navy)}
.bn{position:relative;min-height:420px;display:flex;align-items:flex-end;overflow:hidden;color:var(--white)}
.bn img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s}
.bn::after{content:"";position:absolute;inset:0;background:rgba(11,26,48,.7);transition:background .3s}
.bn:hover img{transform:scale(1.05)}
.bn:hover::after{background:rgba(10,79,166,.78)}
.bn .tx{position:relative;z-index:1;padding:44px 40px 46px;width:100%}
.bn .e{display:block;font-family:var(--f-en);font-weight:700;font-size:clamp(36px,3.4vw,52px);line-height:1;letter-spacing:.02em}
.bn .j{display:block;font-weight:700;font-size:15px;letter-spacing:.14em;margin-top:12px}
.bn p{font-size:14px;line-height:1.85;color:#e3ecf8;margin-top:12px;max-width:340px;min-height:3.7em}
.bn .arr{position:absolute;z-index:1;right:36px;bottom:46px;background:var(--white);color:var(--navy)}
.telbar{background:var(--blue);color:var(--white)}
.telbar .wrap{display:grid;grid-template-columns:auto 1fr 1fr;gap:50px;align-items:center;padding-top:40px;padding-bottom:42px}
.telbar h2{font-family:var(--f-serif);font-weight:900;font-size:clamp(20px,2vw,26px);line-height:1.5}
.telbar .t span{display:block;font-size:13px;font-weight:700;letter-spacing:.12em;color:#cfe0f7}
.telbar .t b{font-family:var(--f-en);font-weight:700;font-size:clamp(32px,3.2vw,46px);letter-spacing:.04em;line-height:1.15}

.story .wrap>div:first-child{position:sticky;top:130px}

/* ---------- responsive ---------- */
@media (max-width:1560px){
  .hd .tel-h{display:none}
}
@media (max-width:1280px){
  .fd-copy{position:static;width:auto;max-width:var(--wrap);margin:0 auto;padding:60px 40px 0}
  .fd-legend ul{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (max-width:1100px){
  .story .wrap,.cycle .wrap,.tech .top{grid-template-columns:1fr;gap:56px}
  .story .wrap>div:first-child{position:static}
  .prod-grid,.sol-grid,.num-grid,.certs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ind-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tech-sub{grid-template-columns:1fr}
  .banners{grid-template-columns:1fr}
  .bn{min-height:300px}
  .telbar .wrap{grid-template-columns:1fr 1fr;gap:24px 40px}
  .telbar h2{grid-column:1/-1}
  .fd-legend .wrap{grid-template-columns:1fr;gap:14px}
}
@media (max-width:900px){
  .hero{height:auto;min-height:0}
  .hero-slides img{object-position:18% 50%}
  .hero-in{height:auto;align-items:flex-end;justify-content:flex-start;padding-top:46vh;padding-bottom:190px}
  .hero-copy{padding-bottom:0}
  .hero-info{left:16px;right:16px;bottom:20px;width:auto}
  .hero-badge{display:none}
  .fd-copy{position:static;width:auto;padding:40px 28px 10px}
  .city-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .city{width:1100px}
  .city-hint{display:block}
  .promise{grid-template-columns:1fr;gap:56px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:24px}
}
@media (max-width:640px){
  .fd-copy{padding:32px 16px 6px}
  .fd-copy .lead{font-size:15px}
  .city{width:960px}
  .fd-legend ul{grid-template-columns:repeat(2,minmax(0,1fr))}
  .initials span{font-size:clamp(40px,13vw,64px)}
  .cy-list li{grid-template-columns:40px 96px 1fr;gap:14px}
  .cy-list li p{grid-column:1/-1}
  .prod-grid,.sol-grid,.num-grid,.certs{grid-template-columns:1fr}
  .ind-grid{grid-template-columns:1fr 1fr;gap:28px 14px}
  .ind .lb{font-size:15px;gap:8px}
  .ind p{display:none}
  .ts{grid-template-columns:88px 1fr}
  .ms-rail{grid-auto-columns:78%;--gut:16px}
  .ms-head{flex-direction:column;align-items:flex-start}
  .news-list li a{grid-template-columns:1fr;gap:12px}
  .news-list .th{aspect-ratio:16/8}
  .news-list li a .arr{display:none}
  .bn .tx{padding:34px 22px 38px}
  .bn .arr{right:22px;bottom:38px}
  .telbar .wrap{grid-template-columns:1fr}
}