/* ============================================================
   永田印刷所 会社サイト  style.css（2026-09-30 参考：12-office.com）
   写真が主役／墨・白・生成り＋差し色の深緑と朱
   見出し＝Shippori Mincho（縦書き中心）／本文＝Zen Kaku Gothic New／数字・欧文＝Inter
   ============================================================ */
:root{
  --ink:#333;               /* 本文の墨 */
  --ink-2:#777;
  --dark:#1c1e1d;           /* 暗い段・フッター */
  --paper:#f5f2ec;          /* 生成り */
  --white:#fff;
  --stage:#d0c8bc;          /* 本の動画の背景色 */
  --green:#1d4f3e;          /* 深緑（差し色） */
  --green-2:#2b6a53;
  --shu:#a9402b;            /* 朱（印） */
  --line:#dcd7cd;
  --rail:88px;              /* 左の縦メニューの幅（PC） */
  --wrap:1120px;
  --mincho:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",serif;
  --gothic:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Hiragino Sans",sans-serif;
  --en:"Inter",system-ui,sans-serif;
  --ease:cubic-bezier(.65,0,.25,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--gothic);color:var(--ink);background:var(--white);font-size:15px;line-height:2.05;letter-spacing:.08em;font-feature-settings:"palt"}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{margin:0;font-weight:800;font-family:var(--mincho);line-height:1.6}
p{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
.jp{display:inline-block}
.sp-only{display:inline}
@media (min-width:960px){.sp-only{display:none}}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
html.is-locked,html.is-locked body{overflow:hidden}

/* 仮の写真の印（撮影後に外す） */
.is-temp{position:relative}
.is-temp::after{content:"仮";position:absolute;left:10px;top:10px;z-index:2;width:22px;height:22px;display:grid;place-items:center;font-size:11px;line-height:1;color:#fff;background:rgba(169,64,43,.85);border-radius:2px;letter-spacing:0;pointer-events:none}

/* ---------- 印・番号ラベル・ボタン ---------- */
.seal{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:3px;background:var(--green);color:var(--paper);font-family:var(--mincho);font-weight:800;font-size:21px;line-height:1;letter-spacing:0;box-shadow:inset 0 0 0 2px var(--green),inset 0 0 0 3.5px rgba(245,242,236,.7)}
.seal--light{background:var(--paper);color:var(--green);box-shadow:inset 0 0 0 2px var(--paper),inset 0 0 0 3.5px rgba(29,79,62,.5)}
.label{display:flex;align-items:center;gap:.8em;font-size:12px;letter-spacing:.2em;color:var(--ink-2)}
.label b{font-family:var(--en);font-weight:500;font-size:12px;letter-spacing:.08em;color:var(--ink)}
.label b::after{content:"";display:inline-block;width:4px;height:4px;margin-left:.8em;border-radius:50%;background:currentColor;vertical-align:middle}
.label--light,.label--light b{color:rgba(255,255,255,.85)}
.btn{display:inline-flex;align-items:center;gap:.8em;min-height:52px;padding:0 1.8em;border:1px solid var(--ink);border-radius:999px;font-size:14px;font-weight:500;text-decoration:none;transition:background-color .3s,color .3s}
.btn::after{content:"";width:6px;height:6px;border-top:1px solid;border-right:1px solid;transform:rotate(45deg)}
.btn:hover{background:var(--ink);color:#fff}

/* ---------- 読み込み演出 ---------- */
.intro{position:fixed;inset:0;z-index:90;display:grid;place-items:center;background:var(--stage);transition:opacity .6s ease,visibility .6s}
.intro.is-out{opacity:0;visibility:hidden}
.intro__book{position:relative;width:min(88vw,calc(74svh * 1.25),760px);aspect-ratio:5/4;container-type:inline-size}
.intro__video{width:100%;height:100%;display:block;object-fit:contain;
  -webkit-mask-image:radial-gradient(ellipse 64% 62% at 48% 48%,#000 70%,transparent 100%);mask-image:radial-gradient(ellipse 64% 62% at 48% 48%,#000 70%,transparent 100%)}
.intro__name{position:absolute;left:46%;top:35%;margin:0;transform:translate3d(-50%,36px,0);opacity:0;text-align:center;white-space:nowrap;font-family:var(--mincho);font-weight:800;font-size:22px;font-size:5.6cqw;letter-spacing:.2em;line-height:1.2;color:#143629}
.intro__name span{display:block;font-size:.34em;letter-spacing:.5em;margin-bottom:.5em;color:#6b6257}
.intro__year{position:absolute;right:28px;bottom:22px;display:flex;align-items:baseline;gap:.6em;font-family:var(--en);color:#5c554c;letter-spacing:.08em}
.intro__year span{font-size:11px}
.intro__year b{font-weight:400;font-size:13px}
.intro__skip{position:absolute;left:24px;bottom:18px;border:0;background:none;font-family:var(--en);font-size:11px;letter-spacing:.2em;color:#5c554c;cursor:pointer;padding:6px}
html.is-seen .intro{display:none}
html:not(.js) .intro,html:not(.js) .ei-curtain{display:none}

/* 「永」の穴の幕（JSで字の大きさを動かす） */
.ei-curtain{position:fixed;inset:0;z-index:80;width:100%;height:100%;pointer-events:none}
.ei-curtain__paper{fill:var(--stage)}
.ei-curtain.is-done{display:none}

/* ---------- 左の縦メニュー（PC） ---------- */
.rail{position:fixed;left:0;top:0;bottom:0;z-index:60;width:var(--rail);display:none;flex-direction:column;align-items:center;padding:26px 0;background:var(--white);border-right:1px solid var(--line)}
.rail__nav{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px}
.rail__nav a,.rail__contact{writing-mode:vertical-rl;font-size:13px;letter-spacing:.3em;text-decoration:none;color:var(--ink-2);position:relative;transition:color .3s}
.rail__nav a::before{content:"";position:absolute;left:-14px;top:0;width:2px;height:100%;background:var(--green);transform:scaleY(0);transform-origin:top;transition:transform .5s var(--ease)}
.rail__nav a.is-active{color:var(--ink)}
.rail__nav a.is-active::before{transform:none}
.rail__nav a:hover,.rail__contact:hover{color:var(--ink)}
.rail__contact{padding-top:22px;border-top:1px solid var(--line);color:var(--ink)}
@media (min-width:960px){.rail{display:flex}main,.ft{margin-left:var(--rail)}}

/* 丸いメニューボタン（スマホ）とメニュー画面 */
.menu-btn{position:fixed;right:16px;bottom:16px;z-index:70;width:60px;height:60px;border:0;border-radius:50%;background:#fff;box-shadow:0 6px 18px rgba(0,0,0,.18);display:grid;place-content:center;gap:6px;cursor:pointer}
.menu-btn i{display:block;width:20px;height:1.5px;background:var(--ink);transition:transform .35s var(--ease),width .35s}
.menu-btn i:last-child{width:12px}
.menu-btn[aria-expanded="true"] i:first-child{transform:translateY(3.75px) rotate(45deg)}
.menu-btn[aria-expanded="true"] i:last-child{width:20px;transform:translateY(-3.75px) rotate(-45deg)}
@media (min-width:960px){.menu-btn{display:none}}
.menu{position:fixed;inset:0;z-index:65;background:var(--dark);color:#fff;padding:80px 32px 110px;display:flex;flex-direction:column;gap:30px;opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s;overflow-y:auto}
.menu.is-open{opacity:1;visibility:visible}
.menu__brand{display:flex;align-items:center;gap:12px;font-family:var(--mincho);font-weight:800;letter-spacing:.14em}
.menu__brand .seal{background:var(--paper);color:var(--green)}
.menu__list a{display:flex;align-items:baseline;gap:18px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.14);text-decoration:none;font-size:17px;letter-spacing:.14em}
.menu__list b{font-family:var(--en);font-weight:400;font-size:12px;opacity:.6}
.menu__tel{font-family:var(--en);letter-spacing:.1em;text-decoration:none;opacity:.85}

/* HERO */
.hero{color:#fff}
.hero > *{position:absolute;z-index:2}
.hero__side{left:18px;top:50%;transform:translateY(-50%);writing-mode:vertical-rl;font-size:11px;letter-spacing:.35em;opacity:.85}
.hero__catch{right:9vw;top:50%;transform:translateY(-52%);height:max-content;writing-mode:vertical-rl;font-size:clamp(28px,7.2vw,54px);letter-spacing:.2em;line-height:1.9;text-shadow:0 2px 20px rgba(0,0,0,.25)}
.hero__catch span{display:block}
.hero__catch span:nth-child(2){padding-top:1.2em}
.hero__catch span:nth-child(3){padding-top:2.4em}
.hero__copy{left:48px;bottom:88px;font-size:13px;letter-spacing:.2em;line-height:2.2}
.hero__timer{right:20px;top:20px;width:74px;height:74px;border:0;background:none;padding:0;color:#fff;cursor:pointer}
.hero__timer svg{width:100%;height:100%;transform:rotate(-90deg);overflow:visible}
.hero__timer circle{fill:none;stroke-width:1.2}
.t-bg{stroke:rgba(255,255,255,.3)}
.t-fg{stroke:#fff;stroke-dasharray:289;stroke-dashoffset:289}
.hero__timer.is-run .t-fg{stroke-dashoffset:0;transition:stroke-dashoffset 6s linear}
.hero__timer path{fill:none;stroke:#fff;stroke-width:1.5;transform:rotate(90deg);transform-origin:50px 50px}
.hero__count{position:absolute;left:50%;top:100%;transform:translateX(-50%);margin-top:6px;font-family:var(--en);font-size:10px;letter-spacing:.12em;white-space:nowrap}
.hero__scroll{left:48px;bottom:32px;font-family:var(--en);font-size:11px;letter-spacing:.25em;text-decoration:none;padding-left:18px}
.hero__scroll::before{content:"";position:absolute;left:0;top:50%;width:1px;height:14px;margin-top:-7px;background:#fff;animation:scrollbar 2s var(--ease) infinite}
@keyframes scrollbar{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}}
.is-scrolling .hero__scroll::before{animation-play-state:paused}
/* 右下の小窓 */
.pop{right:20px;bottom:92px;width:210px;background:#fff;color:var(--ink);padding:10px 10px 12px;box-shadow:0 10px 30px rgba(0,0,0,.25);transition:opacity .4s,transform .4s}
.pop.is-hidden{opacity:0;transform:translateY(12px);pointer-events:none}
.pop a{display:block;text-decoration:none}
.pop img{width:100%;aspect-ratio:16/10;object-fit:cover}
.pop__ttl{display:block;margin-top:8px;font-size:11px;line-height:1.7;letter-spacing:.06em}
.pop__more{display:block;margin-top:6px;font-size:10px;text-align:center;letter-spacing:.14em;color:var(--ink-2)}
.pop__close{position:absolute;right:-10px;top:-10px;width:26px;height:26px;border:0;border-radius:50%;background:var(--dark);color:#fff;font-size:14px;line-height:1;cursor:pointer}
@media (max-width:959px){
  .pop{display:none}
  .hero__catch{right:7vw}
  .hero__copy{left:24px;bottom:100px;font-size:12px}
  .hero__scroll{left:24px}
  .hero__side{left:8px}
}
@media (min-width:960px){
  .pop{width:230px}
  .hero__catch{right:auto;left:9vw}
  .hero__copy{left:auto;right:64px;bottom:auto;top:44%;transform:translateY(-50%)}
}

/* 01 はじめに */
.concept{color:#fff}
.concept__inner{position:relative;z-index:1;height:100%;display:grid;align-content:center;gap:28px;padding:40px 24px 90px}
.concept__ttl{writing-mode:vertical-rl;font-size:clamp(28px,7vw,50px);letter-spacing:.2em;line-height:1.9;justify-self:center}
.concept__ttl span{display:block}
.concept__ttl span:nth-child(2){padding-top:2.2em}
.concept__body{font-size:13px;line-height:2.2;letter-spacing:.1em;max-width:30em;opacity:.92}
.concept__body p + p{margin-top:.6em}
@media (max-width:959px){
  .concept__inner{align-content:start;padding-top:76px;overflow-y:auto}
  .concept__ttl{font-size:30px}
}
@media (min-width:960px){
  .concept__inner{grid-template-columns:1fr auto 1fr;align-items:center;gap:6vw;padding:0 8vw}
  .concept__inner .label{position:absolute;left:8vw;top:14vh}
  .concept__ttl{grid-column:2;justify-self:auto}
  .concept__body{grid-column:3}
}

/* 02 事業内容：白い面がせり上がる */
.service{position:relative;z-index:2;padding-top:18vh}
.service__panel{background:var(--white);padding:64px 24px 88px}
@media (min-width:960px){
  .service{padding-top:22vh}
  .service__panel{width:calc(100% - 7vw);padding:96px 6vw 120px}
}
.head{margin-bottom:44px}
.head h2,.bungu h2,.contact h2{margin-top:16px;font-size:clamp(24px,5.6vw,36px);letter-spacing:.14em}
.head--light{color:#fff}
.lead{margin-top:20px;color:var(--ink-2)}
.cards{display:grid;gap:40px 28px}
@media (min-width:640px){.cards{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.cards{grid-template-columns:repeat(3,1fr)}}
.card__img{aspect-ratio:3/2;overflow:hidden;background:#eee}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card:hover .card__img img{transform:scale(1.05)}
.card h3{margin-top:18px;font-size:18px;letter-spacing:.14em}
.card > p{margin-top:8px;font-size:13px;line-height:2}
.card details{margin-top:12px;font-size:12px}
.card summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:.6em;letter-spacing:.14em}
.card summary::-webkit-details-marker{display:none}
.card summary::after{content:"+";font-family:var(--en);font-size:15px;line-height:1;transition:transform .3s}
.card details[open] summary::after{transform:rotate(45deg)}
.card details p{margin-top:8px;padding:10px 14px;background:var(--paper);color:var(--ink-2);line-height:1.9}
.card details a{font-family:var(--en);font-size:16px;color:var(--green);text-decoration:none}

/* 03 強み：横に流れる */
.hs{position:relative;background:var(--paper)}
.hs__sticky{overflow:hidden}
.hs__track{display:flex;gap:28px;padding:88px 24px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.hs__track > *{flex:none;scroll-snap-align:start}
.hs__intro{width:min(84vw,380px)}
.hs__intro h2{margin-top:16px;font-size:clamp(24px,5.6vw,34px);letter-spacing:.14em}
.hs__intro > p:not(.label):not(.hs__hint){margin-top:20px;font-size:13px;color:var(--ink-2)}
.hs__hint{margin-top:30px;display:flex;align-items:center;gap:12px;font-family:var(--en);font-size:11px;letter-spacing:.25em;color:var(--ink-2)}
.hs__hint i{display:block;width:60px;height:1px;background:currentColor}
.feat{width:min(80vw,420px)}
.feat__img{aspect-ratio:4/5;overflow:hidden}
.feat__img img{width:100%;height:100%;object-fit:cover}
.feat__no{margin-top:18px;font-family:var(--mincho);font-weight:800;font-size:40px;line-height:1;color:var(--shu)}
.feat h3{margin-top:12px;font-size:19px;letter-spacing:.1em}
.feat > p:last-child{margin-top:10px;font-size:13px}
@media (min-width:960px){
  .hs__sticky{position:sticky;top:0;height:100svh;display:flex;align-items:center}
  .hs__track{overflow:visible;padding:0 6vw;gap:5vw;align-items:center;scroll-snap-type:none}
  .hs__intro{width:380px}
  .feat{width:min(34vw,460px)}
  .feat__img{aspect-ratio:4/5;max-height:56svh}
}

/* 04 制作の流れ */
.sec{padding:100px 0}
.sec--paper{background:var(--paper)}
@media (min-width:960px){.sec{padding:140px 0}}
.pin .btn{margin-top:30px}
.steps{margin-top:44px;border-top:1px solid var(--ink)}
@media (min-width:900px){.steps{margin-top:0}}
.steps li{display:flex;align-items:center;gap:22px;padding:17px 4px;border-bottom:1px solid var(--line)}
.steps b{flex:none;font-family:var(--en);font-weight:400;font-size:13px;color:var(--ink-2);width:2em}
.steps li.is-key p{background:linear-gradient(transparent 62%,rgba(169,64,43,.16) 62%)}

/* 05 沿革 */
.history{padding:100px 0;background:var(--dark);color:#fff}
@media (min-width:960px){.history{padding:140px 0}}
.history .lead{color:rgba(255,255,255,.7)}
.scroll{overflow-x:auto;direction:rtl;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;padding-bottom:12px;scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.3) transparent}
.nenpyo{display:flex;width:max-content;min-width:100%;border-top:1px solid rgba(255,255,255,.4);border-bottom:1px solid rgba(255,255,255,.4)}
.nenpyo li{direction:ltr;writing-mode:vertical-rl;height:23em;padding:26px 18px;border-left:1px solid rgba(255,255,255,.14);scroll-snap-align:start;display:flex;flex-direction:column;gap:10px}
.nenpyo li:last-child{border-left:0}
.nenpyo time{font-family:var(--mincho);font-size:21px;font-weight:800;letter-spacing:.14em;line-height:1.3}
.nenpyo time small{display:block;margin-inline-start:.4em;font-family:var(--gothic);font-size:11px;font-weight:500;letter-spacing:.2em;opacity:.6}
.nenpyo p{font-size:14px;letter-spacing:.14em;line-height:1.9;opacity:.85}
.nenpyo li.is-now time{color:#e6b99c}
@media (min-width:1000px){.nenpyo li{flex:1}}

/* 06 ながたぶんぐ */
.bungu{display:grid;gap:44px;align-items:center}
@media (min-width:900px){.bungu{grid-template-columns:.9fr 1.1fr;gap:72px}}
.bungu__img{aspect-ratio:1/1}
.bungu__img img{width:100%;height:100%;object-fit:cover}
.bungu__text > p:not(.label){margin-top:18px}
.bungu__items{font-size:12px;color:var(--ink-2)}
.bungu .btn{margin-top:30px}

/* 07 会社概要 */
.company{display:grid;gap:44px}
@media (min-width:900px){.company{grid-template-columns:1fr 1fr;gap:64px;align-items:end}}
.table{border-top:1px solid var(--ink)}
.table div{display:grid;grid-template-columns:6.5em 1fr;gap:12px;padding:15px 4px;border-bottom:1px solid var(--line)}
.table dt{font-weight:700}
.table dd{margin:0}
.table a{text-decoration:none;font-family:var(--en)}
.company__map iframe{display:block;width:100%;aspect-ratio:4/3;border:0;filter:grayscale(.6)}
.map-link{display:inline-block;margin-top:12px;font-size:13px}

/* 08 ご相談 */
.contact{padding:100px 0 110px;background:var(--stage)}
.contact__inner{display:grid;gap:16px;align-items:center}
@media (min-width:900px){.contact__inner{grid-template-columns:1fr 1fr;gap:48px}.contact{padding:130px 0}}
.contact__book img{width:100%;max-width:520px;-webkit-mask-image:radial-gradient(ellipse 60% 58% at 50% 52%,#000 66%,transparent 100%);mask-image:radial-gradient(ellipse 60% 58% at 50% 52%,#000 66%,transparent 100%)}
.contact__inner > div > p:not(.label){margin-top:18px}
.contact__btns{display:grid;gap:14px;margin-top:30px}
@media (min-width:600px){.contact__btns{grid-template-columns:1fr 1fr}}
.contact__btns a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:18px 16px;border-radius:999px;text-decoration:none;transition:transform .3s}
.contact__btns a:hover{transform:translateY(-3px)}
.contact__btns span{font-size:11px;letter-spacing:.15em}
.contact__btns b{font-size:17px;letter-spacing:.1em}
.contact__tel{background:var(--dark);color:#fff}
.contact__tel b{font-family:var(--en);font-weight:500;font-size:22px;letter-spacing:.06em}
.contact__mail{border:1px solid var(--ink)}

/* フッター：「永」の形の写真 */
.ft{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:90px 0 40px;min-height:100svh;display:flex;align-items:flex-end}
.ft__ei{position:absolute;right:-18vw;top:4vh;width:min(120vw,1100px);height:auto;opacity:.95}
.ft__inner{position:relative;z-index:1;padding:0 28px;width:100%}
.ft__catch{font-family:var(--mincho);font-weight:800;font-size:22px;letter-spacing:.2em;line-height:2;display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.ft__nav{margin-top:36px;display:grid;gap:10px}
.ft__nav a{text-decoration:none;font-size:14px;letter-spacing:.18em}
.ft__nav a::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:#fff;margin-right:12px;vertical-align:middle}
.ft__btn{display:inline-block;margin-top:36px;padding:12px 30px;border:1px solid rgba(255,255,255,.6);border-radius:999px;text-decoration:none;font-size:13px;letter-spacing:.14em}
.ft__addr{margin-top:36px;font-size:12px;line-height:2;opacity:.8}
.ft__addr a{text-decoration:none}
.ft__note{margin-top:14px;font-size:11px;opacity:.55}
.ft__copy{margin-top:18px;font-family:var(--en);font-size:11px;opacity:.55}
.ft__top{position:absolute;left:10px;bottom:40px;writing-mode:vertical-rl;font-family:var(--en);font-size:10px;letter-spacing:.3em;text-decoration:none;opacity:.7}
@media (max-width:959px){.ft__top{display:none}.ft__ei{opacity:.55}}
@media (min-width:960px){
  .ft{padding:120px 0 48px}
  .ft__ei{right:-6vw;top:50%;transform:translateY(-50%);width:min(64vw,1000px)}
  .ft__inner{padding:0 7vw}
}

/* 幕：JSが動く前から紙で覆っておく（写真が一瞬見えないように） */
.ei-curtain rect{width:100%;height:100%}

/* HEROの文字：幕が開いたあとに現れる */
html.js .hero .hero__catch span{clip-path:inset(0 0 100% 0);transition:clip-path 1.1s var(--ease)}
html.js .hero .hero__catch span:nth-child(2){transition-delay:.3s}
html.js .hero .hero__catch span:nth-child(3){transition-delay:.6s}
html.js .hero.is-ready .hero__catch span{clip-path:inset(0 0 0 0)}
html.js .hero .hero__copy,html.js .hero .hero__timer,html.js .hero .hero__side,html.js .hero .hero__scroll,html.js .hero .pop:not(.is-hidden){opacity:0;transition:opacity 1s ease 1s}
html.js .hero.is-ready .hero__copy,html.js .hero.is-ready .hero__timer,html.js .hero.is-ready .hero__side,html.js .hero.is-ready .hero__scroll,html.js .hero.is-ready .pop:not(.is-hidden){opacity:1}

/* スマホ：HEROの左上に印（PCは左の縦メニューに印がある） */
.hero__logo{left:14px;top:14px}
@media (min-width:960px){.hero__logo{display:none}}

/* ============================================================
   舞台：写真が板に割れて切り替わる（参考サイトの動き）
   ============================================================ */
.stage{position:relative;height:380vh;background:var(--dark)}
.stage__sticky{position:sticky;top:0;height:100svh;overflow:hidden;background:var(--dark)}
.stage__anchor{position:absolute;left:0;right:0;top:34%;height:40%;pointer-events:none}
.stage__shade{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.5),rgba(0,0,0,.12) 55%,rgba(0,0,0,.3))}
.stage__shade::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.5);opacity:var(--dark-t,0)}
.hero,.concept{position:absolute;inset:0;z-index:2}
.concept{opacity:0;pointer-events:none}
.concept.is-on{pointer-events:auto}
.concept__ttl span{clip-path:inset(0 0 100% 0);transition:clip-path 1s var(--ease)}
.concept__ttl span:nth-child(2){transition-delay:.35s}
.concept.is-on .concept__ttl span{clip-path:inset(0 0 0 0)}

/* 板（タイル）。JSが列×段に割って並べる。動かすのは transform だけ */
.tiles{position:absolute;inset:0;overflow:hidden}
.tiles__layer{position:absolute;inset:0}
.tiles__t{position:absolute;background-repeat:no-repeat;transform-origin:50% 50%;backface-visibility:hidden}

/* スマホ：はじめにの本文と縦見出しを横に並べて1画面に収める */
@media (max-width:959px){
  .concept__inner{height:100%;grid-template-columns:1fr auto;align-content:center;align-items:start;gap:18px;padding:70px 20px 96px}
  .concept__inner .label{grid-column:1 / -1}
  .concept__ttl{grid-column:2;grid-row:2;font-size:26px}
  .concept__body{grid-column:1;grid-row:2;font-size:12px;line-height:2}
}

/* 全面写真：板で組み上がり、またばらける */
.interlude{position:relative;height:220vh;background:var(--dark);color:#fff}
.interlude__sticky{position:sticky;top:0;height:100svh;overflow:hidden}
.interlude__sticky::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.55),rgba(0,0,0,.1) 60%);pointer-events:none}
.interlude .tiles__t{filter:sepia(.35)}
.interlude__temp{position:absolute;right:14px;top:14px;z-index:3;width:22px;height:22px;display:grid;place-items:center;font-size:11px;line-height:1;background:rgba(169,64,43,.85);border-radius:2px}
.interlude__ei{position:absolute;right:-12vw;top:-8vh;z-index:2;width:min(90vw,1100px);fill:rgba(245,242,236,.08);pointer-events:none}
.interlude__txt{position:absolute;z-index:3;left:8vw;bottom:14vh;font-family:var(--mincho);font-weight:800;font-size:clamp(30px,7vw,64px);letter-spacing:.14em;line-height:1.5}
.interlude__txt span{display:block;clip-path:inset(0 100% 0 0);transition:clip-path 1s var(--ease)}
.interlude__txt span:nth-child(2){transition-delay:.25s}
.interlude__txt small{display:block;margin-top:18px;font-family:var(--en);font-weight:400;font-size:12px;letter-spacing:.4em;opacity:0;transition:opacity 1s .6s}
.interlude__txt.is-on span{clip-path:inset(0 0 0 0)}
.interlude__txt.is-on small{opacity:.8}

/* 事業内容の白い面は、舞台の最後の1画面に重なってせり上がる */
.service{margin-top:-100svh}

/* 会社概要：外観の写真 */
.company__photo{margin:0 0 18px;aspect-ratio:4/3;overflow:hidden}
.company__photo img{width:100%;height:100%;object-fit:cover}