@charset "utf-8";
:root{
  --dark:#0b0906;
  --brown:#25190f;
  --deep:#15100b;
  --gold:#b9873d;
  --gold2:#d0a567;
  --ivory:#f6f1e8;
  --paper:#fbf7ef;
  --line:#d9c8ad;
  --text:#2b2118;
  --muted:#726554;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP",serif;
  color:var(--text);
  background:var(--paper);
  line-height:1.85;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1000;height:84px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 42px;color:#fff;background:linear-gradient(180deg,rgba(0,0,0,.72),rgba(0,0,0,.05));
}
.brand span{display:block;font-size:12px;letter-spacing:.24em;line-height:1}
.brand strong{font-size:30px;letter-spacing:.18em;line-height:1.1;font-weight:500}
.nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:700;letter-spacing:.04em}
.nav-cta{border:1px solid rgba(255,255,255,.55);padding:13px 20px;background:rgba(67,43,24,.75)}
.menu{display:none}

.hero{
  height:100vh;
  min-height:700px;
  position:relative;
  overflow:hidden;
  color:#fff;
  background:#050403;
}
.hero-bg{
  position:absolute;
  inset:0;
  background:url("./assets/hero.jpg") center right/cover no-repeat;
  filter:saturate(1.05) contrast(1.03);
}
.hero-shade{
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(0,0,0,.94) 0%,rgba(0,0,0,.72) 34%,rgba(0,0,0,.18) 68%,rgba(0,0,0,.28) 100%),
    linear-gradient(0deg,rgba(0,0,0,.48),rgba(0,0,0,0));
}
.hero-content{
  position:relative;
  z-index:2;
  max-width:740px;
  padding:135px 0 0 9vw;
}
.eyebrow{
  font-size:13px;
  letter-spacing:.24em;
  color:#9c7448;
  margin:0 0 16px;
  font-weight:700;
}
.gold{color:var(--gold2)}
.hero h1{
  margin:0;
  font-weight:500;
  line-height:1.15;
  font-size:clamp(40px,4.8vw,76px);
  letter-spacing:.05em;
}
.hero h1 span{
  display:block;
  font-size:clamp(44px,5vw,82px);
  letter-spacing:.14em;
  margin-bottom:18px;
}
.lead{
  font-size:16px;
  margin:22px 0 30px;
  color:rgba(255,255,255,.92);
}
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:0 30px;
  background:var(--gold);
  color:#fff;
  border:1px solid var(--gold);
  font-weight:700;
  letter-spacing:.04em;
  cursor:pointer;
  transition:.25s;
}
.button:hover{filter:brightness(1.08);transform:translateY(-1px)}
.button.ghost{background:rgba(0,0,0,.25);border-color:rgba(255,255,255,.65)}
.button.ghost-dark{background:transparent;color:var(--text);border-color:var(--line)}
.button.primary{background:linear-gradient(135deg,#c0934e,#946425)}
.button.small{min-height:46px;padding:0 22px;margin-top:14px;background:var(--brown);border-color:var(--brown)}
.button.outline{background:transparent;color:var(--brown);border-color:var(--line);margin:28px auto 0;display:flex;width:max-content}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap}
.scroll{position:absolute;z-index:2;left:50%;bottom:24px;transform:translateX(-50%);font-size:11px;letter-spacing:.22em}

.section{padding:96px 8vw}
.split{display:grid;grid-template-columns:1fr 1.55fr;gap:64px;align-items:center;background:var(--paper)}
.copy h2,.dark-copy h2,.request h2{font-size:clamp(32px,4vw,54px);line-height:1.45;font-weight:500;margin:0 0 24px;letter-spacing:.04em}
.copy h3{font-size:30px;font-weight:500;margin:42px 0 14px}
.copy p{font-size:16px;color:#3d3328}

.image-grid.concept{display:grid;grid-template-columns:1.1fr .8fr;grid-template-rows:260px 260px;gap:12px}
.image-grid.concept img{width:100%;height:100%;object-fit:cover}
.image-grid.concept img:first-child{grid-row:span 2}

.dark-band{display:grid;grid-template-columns:.9fr 1.35fr;gap:42px;align-items:center;padding:90px 8vw;background:linear-gradient(135deg,#0c0906,#25190f);color:#fff}
.dark-copy p{color:rgba(255,255,255,.82)}
.signature{margin-top:26px;color:var(--gold2)!important;letter-spacing:.08em}
.story-images{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.story-images img{height:280px;width:100%;object-fit:cover;border:1px solid rgba(255,255,255,.12)}

.center{text-align:center}
.values{background:#fbf7ef}
.values h2,.living h2,.spec-section h2{font-size:clamp(28px,3vw,44px);font-weight:500;margin:0 0 46px;letter-spacing:.05em}
.value-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value-cards article{background:#17110b;color:#fff;border:1px solid rgba(185,135,61,.35);position:relative;overflow:hidden}
.value-cards img{height:260px;width:100%;object-fit:cover;opacity:.72}
.value-cards span{display:block;color:var(--gold2);font-size:42px;line-height:1;margin:24px 24px 0}
.value-cards h3{font-size:24px;margin:8px 24px 8px;font-weight:500}
.value-cards p{margin:0 24px 28px;color:rgba(255,255,255,.84)}

.living{padding:80px 0 60px;background:var(--ivory)}
.gallery-row{display:grid;grid-template-columns:repeat(6,1fr);gap:6px;padding:0 32px}
.gallery-row img{height:190px;width:100%;object-fit:cover}
.caption{text-align:center;font-size:17px;letter-spacing:.08em;color:#4b3d2d}

.performance{display:grid;grid-template-columns:.85fr 1.5fr;gap:50px;background:var(--paper);align-items:center}
.performance-icons{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.performance-icons article{padding:26px 18px;text-align:center;border-left:1px solid var(--line)}
.performance-icons article:first-child{border-left:none}
.performance-icons span{font-size:42px;color:var(--gold)}
.performance-icons h3{font-size:17px;margin:8px 0 4px}
.performance-icons p{font-size:13px;margin:0;color:var(--muted);line-height:1.6}

.spec-section{padding:86px 5vw;background:#f7f0e5}
.spec-section h2 span{font-size:18px;margin-left:12px;color:#6f5a42}
.spec-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);max-width:1380px;margin:0 auto}
.spec-grid article{background:#fffdf8;min-height:250px;position:relative;padding:0 16px 18px}
.spec-grid img{width:calc(100% + 32px);height:118px;object-fit:cover;margin:0 -16px 12px}
.spec-grid b{font-size:24px;color:var(--gold);font-weight:500}
.spec-grid h3{font-size:18px;margin:2px 0 0}
.spec-grid p{font-size:13px;margin:0;color:#5f5143}

.request{display:grid;grid-template-columns:1fr 1.12fr;gap:0;background:#fff}
.request-left{background:linear-gradient(135deg,rgba(10,7,4,.93),rgba(43,28,16,.94)),url("./assets/night.jpg") center/cover;padding:82px 7vw;color:#fff}
.request-left p{color:rgba(255,255,255,.82)}
.request-left ul{list-style:none;padding:0;margin:30px 0 0}
.request-left li{padding:5px 0;color:rgba(255,255,255,.92)}
.request-left li:before{content:"✓";color:var(--gold2);margin-right:10px}
.form-card{padding:72px 7vw;background:#fbf7ef}
.form-card h2{font-size:34px;margin-bottom:24px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);margin-bottom:30px}
.steps span{padding:12px 10px;text-align:center;font-size:13px;border-left:1px solid var(--line);color:#806b54}
.steps span:first-child{border-left:none}
.steps span.active{background:var(--gold);color:#fff}
.form-step{display:none}
.form-step.active{display:block}
.question{display:block;font-weight:700;margin:26px 0 10px}
.choices{display:flex;flex-wrap:wrap;gap:10px 20px;padding-bottom:10px;border-bottom:1px solid #e7d9c7}
.choices label{font-size:14px;cursor:pointer}
input,textarea{font-family:inherit}
.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.input-grid label{font-size:13px;font-weight:700}
.input-grid input,.input-grid textarea{width:100%;border:1px solid var(--line);padding:13px 14px;margin-top:6px;background:#fff;color:#2b2118}
.full{grid-column:1/-1}
.privacy{display:block;font-size:13px;margin:18px 0}
.form-buttons{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}
.submit{min-width:260px}
.note{font-size:12px;color:#8d7a63;margin-top:18px}

footer{background:#0b0906;color:#fff;text-align:center;padding:34px 20px}
footer a{letter-spacing:.16em;font-size:20px}
footer p{color:#baa27e;margin:4px 0 0}

.spec-modal{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:2000;display:none;align-items:center;justify-content:center;padding:24px}
.spec-modal.active{display:flex}
.modal-panel{background:#fffdf8;max-width:760px;width:100%;padding:42px;position:relative;max-height:88vh;overflow:auto}
.modal-close{position:absolute;right:18px;top:16px;border:0;background:transparent;font-size:32px;cursor:pointer}
.modal-panel h2{margin:0 0 14px;font-size:30px}
.modal-panel ol{columns:2;line-height:2}

@media(max-width:1000px){
  .nav{display:none}
  .menu{display:block;background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);padding:8px 12px}
  .split,.dark-band,.performance,.request{grid-template-columns:1fr}
  .value-cards{grid-template-columns:1fr}
  .gallery-row{grid-template-columns:repeat(2,1fr)}
  .performance-icons{grid-template-columns:repeat(2,1fr)}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .hero{min-height:660px}
  .hero-content{
    max-width:620px;
    padding:120px 28px 0;
  }
  .hero h1{
    font-size:40px;
    line-height:1.16;
    letter-spacing:.04em;
  }
  .hero h1 span{
    font-size:46px;
    letter-spacing:.12em;
    margin-bottom:16px;
  }
  .lead{
    font-size:15px;
    margin:18px 0 24px;
  }
  .site-header{padding:0 20px;height:74px}
  .brand strong{font-size:26px}
  .image-grid.concept{grid-template-columns:1fr;grid-template-rows:auto}
  .image-grid.concept img{height:240px}
}

@media(max-width:560px){
  .site-header{
    height:64px;
    padding:0 16px;
  }
  .brand span{
    font-size:9px;
    letter-spacing:.18em;
  }
  .brand strong{
    font-size:21px;
    letter-spacing:.14em;
  }
  .hero{
    min-height:620px;
  }
  .hero-bg{
    background-position:center right;
  }
  .hero-shade{
    background:
      linear-gradient(90deg,rgba(0,0,0,.88) 0%,rgba(0,0,0,.66) 52%,rgba(0,0,0,.24) 100%),
      linear-gradient(0deg,rgba(0,0,0,.48),rgba(0,0,0,0));
  }
  .hero-content{
    padding:102px 22px 0;
    max-width:100%;
  }
  .eyebrow{
    font-size:10px;
    margin-bottom:10px;
    letter-spacing:.2em;
  }
  .hero h1{
    font-size:30px;
    line-height:1.18;
    letter-spacing:.03em;
  }
  .hero h1 span{
    font-size:34px;
    letter-spacing:.1em;
    margin-bottom:12px;
  }
  .lead{
    font-size:13px;
    line-height:1.75;
    margin:14px 0 18px;
  }
  .hero-actions,.form-buttons{
    flex-direction:column;
    gap:10px;
  }
  .button{
    width:100%;
    min-height:46px;
    padding:0 18px;
    font-size:13px;
  }
  .scroll{
    bottom:14px;
    font-size:9px;
  }
  .section{
    padding:64px 7vw;
  }
  .copy h2,.dark-copy h2,.request h2{
    font-size:28px;
  }
  .input-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .spec-grid{grid-template-columns:1fr}
  .modal-panel ol{columns:1}
}
/* 日本の住宅は、短すぎる。 */
.copy h2{
  font-size:clamp(28px,3vw,48px);
  line-height:1.4;
}

@media(max-width:560px){
  .copy h2{
    font-size:26px;
    line-height:1.5;
  }
}
.pc-only {
  display: inline;
}

.dark-copy h2,
.request-left h2 {
  word-break: keep-all;
  overflow-wrap: normal;
  line-height: 1.35;
}

@media (max-width: 1100px) {
  .dark-copy h2,
  .request-left h2 {
    font-size: clamp(38px, 5vw, 64px);
  }
}

@media (max-width: 768px) {
  .pc-only {
    display: none;
  }

  .dark-copy h2,
  .request-left h2 {
    font-size: 36px;
    line-height: 1.45;
  }
}
/* =========================
VIVANTE思想書セクション
========================= */

.request-intro{
display:grid;
grid-template-columns:1fr 1fr;
min-height:600px;
}

.request-left{
background:
linear-gradient(rgba(15,10,8,.75),rgba(15,10,8,.75)),
url("assets/concept-book-bg.jpg");
background-size:cover;
background-position:center;
color:#fff;
padding:90px 80px;
display:flex;
flex-direction:column;
justify-content:center;
}

.request-left h2{
font-size:72px;
line-height:1.3;
margin:20px 0;
font-weight:400;
}

.request-left p{
font-size:18px;
line-height:2;
max-width:700px;
}

.request-right{
background:#ffffff;
padding:90px 80px;
display:flex;
align-items:center;
}

.request-right ul{
list-style:none;
padding:0;
margin:0;
}

.request-right li{
font-size:26px;
margin-bottom:24px;
color:#2d241d;
}

.request-right li::before{
content:"•";
color:#b38b59;
margin-right:12px;
}

.form-section{
background:#f7f2ea;
padding:100px 0;
}

.form-card{
width:min(1200px,90%);
margin:auto;
}

.form-card h2{
font-size:60px;
line-height:1.3;
margin-bottom:40px;
color:#2d241d;
}

.steps{
display:grid;
grid-template-columns:repeat(3,1fr);
margin-bottom:50px;
}

.steps span{
text-align:center;
padding:22px;
border:1px solid #d9c6a8;
background:#fff;
}

.steps .active{
background:#c89a53;
color:#fff;
}

/* =========================
Tablet
========================= */

@media(max-width:1100px){

.request-left,
.request-right{
padding:60px 50px;
}

.request-left h2{
font-size:54px;
}

.request-right li{
font-size:22px;
}

.form-card h2{
font-size:48px;
}
}

/* =========================
Mobile
========================= */

@media(max-width:768px){

.request-intro{
grid-template-columns:1fr;
}

.request-left,
.request-right{
padding:40px 25px;
}

.request-left h2{
font-size:38px;
line-height:1.4;
}

.request-right li{
font-size:18px;
margin-bottom:14px;
}

.form-card h2{
font-size:34px;
}

.steps{
grid-template-columns:1fr;
}
}
.request-left{
  background:
  linear-gradient(rgba(15,10,8,.75),rgba(15,10,8,.75)),
  url("assets/contact.jpg");
  background-size:cover;
  background-position:center;
}
.request-left{
  background:
    linear-gradient(rgba(15,10,8,.72),rgba(15,10,8,.72)),
    url("assets/contact.jpg") center/cover;
  color:#fff;
  padding:90px 80px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}

.request-left h2{
  font-size:56px;
  line-height:1.35;
  font-weight:400;
}

.request-left p{
  font-size:16px;
  line-height:2;
}

.request-right{
  background:#fff;
  padding:80px 80px;
  display:flex;
  align-items:center;
}

.request-right li{
  font-size:20px;
  line-height:1.8;
  margin-bottom:18px;
}
.request-intro{
  background:#f6f2eb;
  padding:0;
}

.request-image-full{
  max-width:1600px;
  margin:0 auto;
}

.request-image-full img{
  width:100%;
  height:auto;
  display:block;
}
.request-intro{
  background:#f6f2eb;
  padding:80px 6vw;
}

.request-image-full{
  width:min(1400px, 100%);
  margin:0 auto;
}

.request-image-full img{
  width:100%;
  height:auto;
  display:block;
  box-shadow:0 24px 60px rgba(40,25,15,.15);
}
.request-intro{
  padding:60px 3vw;
}

.request-image-full{
  width:min(1600px, 100%);
}
/* 思想書画像セクション 強制調整 */
.request-intro{
  display:block !important;
  background:#f6f2eb !important;
  padding:80px 0 !important;
}

.request-image-full{
  width:100% !important;
  max-width:none !important;
  margin:0 !important;
  display:flex !important;
  justify-content:center !important;
}

.request-image-full img{
  width:min(1400px, 92vw) !important;
  height:auto !important;
  display:block !important;
  box-shadow:0 30px 80px rgba(40,25,15,.18) !important;
}
/* スマホ崩れ修正 */
@media (max-width: 768px){

  body{
    overflow-x:hidden;
  }

  .dark-band{
    display:block !important;
    width:100% !important;
    padding:60px 24px !important;
    box-sizing:border-box !important;
    overflow:hidden !important;
  }

  .dark-copy{
    width:100% !important;
    max-width:100% !important;
  }

  .dark-copy h2{
    font-size:34px !important;
    line-height:1.45 !important;
    word-break:keep-all !important;
    overflow-wrap:normal !important;
  }

  .dark-copy p{
    font-size:15px !important;
    line-height:2 !important;
  }

  .story-images{
    display:grid !important;
    grid-template-columns:1fr !important;
    gap:16px !important;
    margin-top:32px !important;
  }

  .story-images img{
    width:100% !important;
    height:auto !important;
    display:block !important;
  }
}
@media (max-width: 768px){

  .dark-copy h2{
    font-size:32px !important;
    line-height:1.45 !important;
    letter-spacing:.04em !important;
    white-space:normal !important;
    word-break:keep-all !important;
    overflow-wrap:break-word !important;
    max-width:100% !important;
  }

  .dark-copy h2 br{
    display:none !important;
  }

}
.thanks-message{
  text-align:center;
  padding:80px 20px;
}

.thanks-message h2{
  font-size:48px;
  margin-bottom:24px;
}

.thanks-message p{
  font-size:18px;
  line-height:1.8;
}
@media(max-width:768px){
  .thanks-message h2{
    font-size:32px;
  }

  .thanks-message p{
    font-size:15px;
  }
}
#hidden_iframe,
iframe[name="hidden_iframe"]{
  display:none !important;
  width:0 !important;
  height:0 !important;
  border:0 !important;
  visibility:hidden !important;
}
/* 画像サイズを全端末で統一 */
.value-card{
  overflow:hidden;
  border-radius:8px;
}

.value-card img{
  width:100% !important;
  height:260px !important;
  object-fit:cover !important;
  display:block !important;
}
/* =========================
画像サイズ完全統一
========================= */

/* VALUE */
.value-cards article img{
    width:100% !important;
    height:260px !important;
    object-fit:cover !important;
}

/* 暮らし */
.gallery-row img{
    width:100% !important;
    height:220px !important;
    object-fit:cover !important;
}

/* STORY */
.story-images img{
    width:100% !important;
    height:260px !important;
    object-fit:cover !important;
}

/* CONCEPT */
.image-grid.concept img{
    width:100% !important;
    height:260px !important;
    object-fit:cover !important;
}

/* 標準仕様 */
.spec-grid article img{
    width:100% !important;
    height:170px !important;
    object-fit:cover !important;
}

@media(max-width:768px){

.gallery-row img{
    height:180px !important;
}

.story-images img{
    height:220px !important;
}

.image-grid.concept img{
    height:220px !important;
}

.value-cards article img{
    height:220px !important;
}

.spec-grid article img{
    height:180px !important;
}

}
/* =========================
   PHILOSOPHY画像レイアウト修正
========================= */

/* PC：左を大画像、右を上下2枚 */
.image-grid.concept{
  display:grid !important;
  grid-template-columns:1.1fr .8fr !important;
  grid-template-rows:260px 260px !important;
  gap:12px !important;
}

.image-grid.concept img{
  width:100% !important;
  height:100% !important;
  object-fit:cover !important;
  display:block !important;
}

.image-grid.concept img:first-child{
  grid-row:1 / span 2 !important;
}

/* タブレット・スマホ：3枚とも同じサイズで縦並び */
@media(max-width:1000px){

  .image-grid.concept{
    grid-template-columns:1fr !important;
    grid-template-rows:none !important;
    gap:12px !important;
  }

  .image-grid.concept img,
  .image-grid.concept img:first-child{
    grid-row:auto !important;
    width:100% !important;
    height:240px !important;
    object-fit:cover !important;
  }
}

@media(max-width:560px){

  .image-grid.concept img,
  .image-grid.concept img:first-child{
    height:210px !important;
  }
}
/* ------------------------
MOVIE
------------------------*/

.vivante-movie{

padding:110px 0;

background:#f7f2ea;

}

.movie-heading{

text-align:center;

margin-bottom:60px;

}

.movie-heading h2{

margin:10px 0 20px;

}

.movie-lead{

color:#6d6258;

line-height:2;

}

.movie-grid{

max-width:1200px;

margin:auto;

display:grid;

grid-template-columns:repeat(2,1fr);

gap:50px;

padding:0 30px;

}

.movie-card{

background:#fff;

box-shadow:0 10px 30px rgba(0,0,0,.08);

overflow:hidden;

}

.movie-video{

aspect-ratio:16/9;

}

.movie-video iframe{

width:100%;

height:100%;

border:0;

display:block;

}

.movie-text{

padding:30px;

}

.movie-text span{

font-size:12px;

letter-spacing:2px;

color:#a58a63;

}

.movie-text h3{

margin:10px 0 15px;

font-size:28px;

font-family:serif;

}

.movie-text p{

line-height:2;

color:#555;

}

@media(max-width:900px){

.movie-grid{

grid-template-columns:1fr;

}

}