@charset "UTF-8";

:root{
  --ink:#16130e;          /* 温かみのある近黒 */
  --ink-soft:#1e1a13;
  --paper:#f3efe7;        /* 温かいアイボリー */
  --paper-soft:#e9e2d5;
  --text:#211e18;
  --text-dim:#6d665a;
  --inv:#f3efe7;          /* 暗背景上のテキスト */
  --inv-dim:#a89e8c;
  --brass:#a9814f;        /* 洗練された真鍮色アクセント */
  --brass-lt:#c8a877;
  --hair:rgba(33,30,24,.14);
  --hair-inv:rgba(243,239,231,.16);
  --serif:"Shippori Mincho","Yu Mincho",YuMincho,"Hiragino Mincho ProN",serif;
  --sans:"Zen Kaku Gothic New","Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  --serif-en:"Cormorant Garamond",Georgia,serif;
  --maxw:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);
  font-weight:400;line-height:1.9;font-size:16px;letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;text-align:left;}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* かすかなグレイン */
body::before{content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* 英字ラベル */
.kicker{font-family:var(--serif-en);font-style:italic;font-size:1.1rem;color:var(--brass);letter-spacing:.04em}
.label{font-family:var(--sans);font-size:.72rem;font-weight:500;letter-spacing:.42em;
  text-transform:uppercase;color:var(--text-dim)}
.label--inv{color:var(--inv-dim)}

/* 見出し */
.serif{font-family:var(--serif)}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.5;letter-spacing:.04em;margin:0}

/* ヘッダー */
.header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .5s var(--ease),
  border-color .5s var(--ease),padding .5s var(--ease);padding:22px 0;border-bottom:1px solid transparent}
.header.solid{background:rgba(22,19,14,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--hair-inv);padding:14px 0}
.header .container{display:flex;align-items:center;justify-content:space-between}
.header .logo img{height:34px;width:auto}
.header__nav{display:flex;align-items:center;gap:26px}
.header__tel{font-family:var(--serif-en);font-size:1.15rem;letter-spacing:.05em;color:var(--inv)}
.header__cta{font-size:.82rem;letter-spacing:.14em;color:var(--inv);border:1px solid var(--brass);
  padding:11px 22px;border-radius:2px;transition:background .4s var(--ease),color .4s var(--ease)}
.header__cta:hover{background:var(--brass);color:var(--ink)}

/* Hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:var(--inv);overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0;
  /* 写真: images/hero.jpg を置くと自動表示（暗めの高品質なリノベ後の空間写真を推奨）。無ければダーク背景のまま */
  background:
    linear-gradient(180deg,rgba(22,19,14,.45) 0%,rgba(22,19,14,.35) 45%,rgba(22,19,14,.92) 100%),
    url('images/hero.jpg'),
    radial-gradient(120% 90% at 70% 20%,#3a332708 0%,#16130e 70%),
    #211d15;
  background-size:cover;background-position:center;background-repeat:no-repeat}
.hero .container{position:relative;z-index:2;padding-bottom:9vh;padding-top:120px;width:100%}
.hero__kicker{opacity:0;animation:rise .9s var(--ease) .2s forwards}
.hero h1{font-size:clamp(2.4rem,6vw,4.6rem);font-weight:600;line-height:1.42;margin:.35em 0 .5em;
  letter-spacing:.05em}
.hero h1 span{display:block;overflow:hidden}
.hero h1 span i{display:block;font-style:normal;opacity:0;transform:translateY(115%);
  animation:riseUp 1s var(--ease) forwards}
.hero h1 span:nth-child(1) i{animation-delay:.35s}
.hero h1 span:nth-child(2) i{animation-delay:.5s}
.hero__lead{max-width:34em;color:rgba(243,239,231,.82);font-size:1.02rem;margin:0 0 34px;
  opacity:0;animation:rise 1s var(--ease) .8s forwards}
.hero__actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  opacity:0;animation:rise 1s var(--ease) .95s forwards}
.btn{display:inline-flex;align-items:center;gap:12px;font-size:.92rem;letter-spacing:.1em;
  padding:16px 34px;border-radius:2px;transition:all .4s var(--ease);font-weight:500}
.btn--brass{background:var(--brass);color:var(--ink)}
.btn--brass:hover{background:var(--brass-lt);transform:translateY(-2px)}
.btn--line-inv{border:1px solid var(--hair-inv);color:var(--inv)}
.btn--line-inv:hover{border-color:var(--brass);color:var(--brass-lt)}
.hero__scroll{position:absolute;right:32px;bottom:0;z-index:2;writing-mode:vertical-rl;
  font-family:var(--serif-en);font-size:.8rem;letter-spacing:.3em;color:var(--inv-dim);
  padding-bottom:80px;opacity:0;animation:rise 1s var(--ease) 1.2s forwards}
.hero__scroll::after{content:"";position:absolute;bottom:0;left:50%;width:1px;height:64px;
  background:linear-gradient(var(--brass),transparent)}

@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes riseUp{to{opacity:1;transform:none}}

/* スクロール・リビール */
.reveal{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.12s}.reveal.d2{transition-delay:.24s}.reveal.d3{transition-delay:.36s}

/* セクション土台 */
.section{padding:120px 0}
.section--ink{background:var(--ink);color:var(--inv)}

/* Statement(控えめな一文) */
.statement{padding:66px 0;text-align:center;background:var(--paper)}
.statement__lead{font-family:var(--serif);font-weight:500;font-size:clamp(1.02rem,1.9vw,1.35rem);
  line-height:1.9;letter-spacing:.06em;margin:0;color:var(--text-dim)}
.statement__lead::before{content:"";display:block;width:30px;height:1px;background:var(--brass);margin:0 auto 22px;opacity:.7}
.sec-head{margin-bottom:60px}
.sec-head .label{display:block;margin-bottom:18px}
.sec-head h2{font-size:clamp(1.7rem,3.6vw,2.7rem)}
.sec-head .lead{margin:20px 0 0;max-width:40em;color:var(--text-dim);font-size:1.02rem}
.section--ink .sec-head .lead{color:var(--inv-dim)}

/* Concept */
.concept .container{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.concept__copy h2{font-size:clamp(1.9rem,4vw,3rem);line-height:1.6}
.concept__copy .kicker{display:block;margin-bottom:22px}
.concept__copy p{color:var(--text-dim);margin:28px 0 0}
.concept__media{position:relative;height:520px}
.concept__media .ph{position:absolute;background:var(--paper-soft);border:1px solid var(--hair);
  display:flex;align-items:center;justify-content:center;color:var(--text-dim);font-size:.82rem;
  letter-spacing:.14em;overflow:hidden}
.concept__media .ph{background-size:cover;background-position:center}
.concept__media .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.concept__media .ph--1{top:0;left:0;width:66%;height:64%}
.concept__media .ph--2{bottom:0;right:0;width:60%;height:60%;box-shadow:-30px -30px 60px rgba(22,19,14,.14)}

/* Record 実績 */
.record .container{display:grid;grid-template-columns:1fr;gap:56px}
.record__lead{font-family:var(--serif);font-size:clamp(1.3rem,2.8vw,1.9rem);line-height:1.7;
  letter-spacing:.05em;max-width:24em}
.record__lead .em{color:var(--brass-lt)}
.record__grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--hair-inv)}
.record__item{padding:44px 8px 0;border-right:1px solid var(--hair-inv)}
.record__item:last-child{border-right:none}
.record__num{font-family:var(--serif-en);font-weight:500;font-size:clamp(3.4rem,7vw,5.4rem);
  line-height:1;color:var(--brass-lt);letter-spacing:.01em}
.record__num .u{font-family:var(--serif);font-size:.26em;color:var(--inv);margin-left:.35em;letter-spacing:.1em}
.record__label{margin-top:14px;font-size:.82rem;letter-spacing:.24em;color:var(--inv-dim);text-transform:uppercase}
.record__jp{margin-top:4px;font-size:.92rem;color:var(--inv-dim)}
.record__note{margin:30px 0 0;font-size:.74rem;letter-spacing:.12em;color:var(--inv-dim);text-align:right;opacity:.85}

/* Reno types 対応リノベ */
.renotypes{background:var(--paper);text-align:center}
.renotypes__lead{font-family:var(--serif);font-weight:600;font-size:clamp(1.45rem,3.2vw,2.3rem);
  line-height:1.65;letter-spacing:.04em;margin:0 0 56px}
.renotypes__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;text-align:left}
.rtype{margin:0}
.rtype__img{position:relative;aspect-ratio:3/2;background:var(--paper-soft);border:1px solid var(--hair);
  display:flex;align-items:center;justify-content:center;color:var(--text-dim);font-size:.8rem;
  letter-spacing:.14em;overflow:hidden}
.rtype__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.rtype:hover .rtype__img img{transform:scale(1.05)}
.rtype__title{font-family:var(--serif);font-size:1.5rem;font-weight:600;letter-spacing:.25em;margin:24px 0 14px}
.rtype__desc{margin:0;color:var(--text-dim);font-size:.95rem;line-height:1.95}

/* Features 強み */
.features .container{display:grid;grid-template-columns:.82fr 1.18fr;gap:80px;align-items:start}
.features__intro{position:sticky;top:120px}
.features__intro h2{font-size:clamp(1.8rem,3.8vw,2.7rem);margin:18px 0 22px}
.features__intro p{color:var(--text-dim)}
.axes{list-style:none;margin:26px 0 0;padding:0}
.axis{padding:18px 0;border-top:1px solid var(--hair)}
.axis:last-child{border-bottom:1px solid var(--hair)}
.axis__en{display:block;font-family:var(--serif-en);font-size:1.2rem;letter-spacing:.08em;color:var(--brass);margin-bottom:6px}
.axis__t{margin:0;font-size:.94rem;line-height:1.75}
.axes__note{margin:16px 0 0;font-size:.82rem;letter-spacing:.04em}
.features__media{position:relative;margin-top:36px;height:340px;background:var(--paper-soft);border:1px solid var(--hair);
  display:flex;align-items:center;justify-content:center;color:var(--text-dim);font-size:.8rem;letter-spacing:.14em;overflow:hidden}
.features__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.features__media .feat-slide{opacity:0;transition:opacity 1.2s var(--ease);z-index:1}
.features__media .feat-slide.is-active{opacity:1}
.features__media-label{position:relative;z-index:0}
.feat-list{list-style:none;margin:0;padding:0}
.feat{display:grid;grid-template-columns:auto 1fr;gap:30px;padding:34px 0;border-top:1px solid var(--hair);
  align-items:baseline}
.feat:last-child{border-bottom:1px solid var(--hair)}
.feat__no{font-family:var(--serif-en);font-size:1.5rem;color:var(--brass);font-weight:600;letter-spacing:.05em}
.feat__body h3{font-size:1.32rem;margin-bottom:10px}
.feat__body p{margin:0;color:var(--text-dim);font-size:.98rem}
.feat__link{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:.86rem;
  letter-spacing:.06em;color:var(--brass);border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color .3s var(--ease)}
.feat__link::after{content:"→";transition:transform .3s var(--ease)}
.feat__link:hover{border-color:var(--brass)}
.feat__link:hover::after{transform:translateX(4px)}
.feat__body .tag{display:inline-block;margin-bottom:12px;font-size:.7rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--brass)}

/* Flow */
.flow__list{list-style:none;margin:0;padding:0;max-width:900px}
.flow__step{display:grid;grid-template-columns:auto 1fr;gap:40px;padding:38px 0;
  border-top:1px solid var(--hair-inv);align-items:baseline}
.flow__step:last-child{border-bottom:1px solid var(--hair-inv)}
.flow__no{font-family:var(--serif-en);font-size:2rem;color:var(--brass-lt);font-weight:500}
.flow__c h3{font-size:1.3rem;margin-bottom:8px;color:var(--inv)}
.flow__c p{margin:0;color:var(--inv-dim);font-size:.98rem}
.flow__note{margin-top:44px;font-family:var(--serif);font-size:1.15rem;color:var(--brass-lt);
  letter-spacing:.05em;max-width:34em}

/* Works 施工例 */
.works__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.work{overflow:hidden}
.work__img{position:relative;aspect-ratio:3/4;background:var(--paper-soft);border:1px solid var(--hair);
  display:flex;align-items:center;justify-content:center;color:var(--text-dim);font-size:.8rem;
  letter-spacing:.16em;overflow:hidden}
.work__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.work:hover .work__img img{transform:scale(1.06)}
.work__cap{padding:18px 2px 0}
.work__cap .en{font-family:var(--serif-en);font-style:italic;color:var(--brass);font-size:1.05rem}
.work__cap .jp{display:block;margin-top:4px;font-size:.9rem;color:var(--text-dim)}
.works__note{margin-top:40px;font-size:.85rem;letter-spacing:.16em;color:var(--text-dim)}

/* FAQ */
.faq__list{max-width:840px}
.faq details{border-top:1px solid var(--hair)}
.faq details:last-child{border-bottom:1px solid var(--hair)}
.faq summary{cursor:pointer;list-style:none;padding:26px 44px 26px 40px;position:relative;
  font-family:var(--serif);font-size:1.12rem;letter-spacing:.04em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";position:absolute;left:0;top:26px;font-family:var(--serif-en);
  color:var(--brass);font-size:1.1rem}
.faq summary::after{content:"";position:absolute;right:6px;top:34px;width:12px;height:1px;background:var(--text);
  box-shadow:0 0 0 0 transparent;transition:transform .3s}
.faq summary .plus{position:absolute;right:11px;top:29px;width:1px;height:11px;background:var(--text);
  transition:transform .3s var(--ease)}
.faq details[open] summary .plus{transform:scaleY(0)}
.faq .a{padding:0 40px 28px 40px;color:var(--text-dim);position:relative;font-size:.98rem}
.faq .a::before{content:"A";position:absolute;left:0;top:0;font-family:var(--serif-en);color:var(--text-dim);font-size:1.1rem}

/* CTA */
.cta{text-align:center}
.cta h2{font-size:clamp(2rem,5vw,3.4rem);line-height:1.5}
.cta .lead{margin:20px auto 40px;color:var(--inv-dim);max-width:34em;
  font-size:clamp(1.12rem,1.9vw,1.34rem);line-height:1.9}
.cta__btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:52px}
.cta__btns .btn{min-width:200px;justify-content:center}
.cta .txt_btn{transition:color 0.3s;}
.cta .txt_btn:hover{color:var(--brass-lt);}
.cta__tel{font-family:var(--serif-en);font-size:clamp(2.2rem,5vw,3rem);letter-spacing:.06em;color:var(--inv)}
.cta__tel a{color:inherit}
.cta__hours{margin:6px 0 0;font-size:.86rem;letter-spacing:.14em;color:var(--inv-dim)}

/* Footer */
/*.footer{background:var(--ink);color:var(--inv-dim);padding:56px 0;border-top:1px solid var(--hair-inv)}
.footer .container{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer img{height:30px;opacity:.9}
.footer p{margin:0;font-size:.82rem;letter-spacing:.06em}*/

/* モバイル */
@media (max-width:860px){
  .sph_none{display:none;}
  .container{padding:0 22px}
  .section{padding:80px 0}
  .statement{padding:46px 0}
  .statement__lead::before{margin-bottom:18px}
  .header__tel{display:none}
  .concept .container{grid-template-columns:1fr;gap:40px}
  .concept__media{height:400px}
  .record__grid{grid-template-columns:1fr;border-top:none}
  .record__item{border-right:none;border-top:1px solid var(--hair-inv);padding:32px 0 0}
  .renotypes__grid{grid-template-columns:1fr;gap:44px}
  .renotypes__lead{margin-bottom:40px}
  .features .container{grid-template-columns:1fr;gap:44px}
  .features__intro{position:static}
  .features__media{height:240px}
  .feat{grid-template-columns:auto 1fr;gap:18px;padding:26px 0}
  .flow__step{gap:22px;padding:28px 0}
  .works__grid{grid-template-columns:1fr;gap:18px}
  .work__img{aspect-ratio:4/3}
  .hero__scroll{display:none}
  .sec-head{margin-bottom:40px}
  .cta .txt_btn span{display:inline-block;}
}

header,
footer,
.fix_footermenu,
.re_top{font-family:Meiryo,'Hiragino Kaku Gothic ProN','Hiragino Sans',sans-serif;font-size:62.5%;line-height:1;text-align:center;-webkit-text-size-adjust:100%;-webkit-font-smoothing:auto !important;-moz-osx-font-smoothing:auto !important;letter-spacing:0;}
footer .footer{padding-top:0;}

@media (max-width:860px){
  .footer_logo img{margin:0 auto;}
}