/* ==========================================================
   yu-kihouse.com 共通スタイル
   色：--y 黄 / --k 黒 / --paper 生成り（クライアントのブランド色）
   イベントの印：--sakura（見学会）/ --clover（相談会）
   ========================================================== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --y:#ffd54f; --y-deep:#ffc107; --y-pale:#fff8e1;
  --k:#1a1a1a; --ink:#2a2a2a; --mute:#6b6b6b; --line:#e9e5da; --paper:#f7f5f0;
  --sakura:#f4b6c4; --sakura-deep:#d4607f; --sakura-pale:#fdf1f4;
  --clover:#9cc68a; --clover-deep:#4d8a3c; --clover-pale:#f0f7ec;
  --r:16px; --r-lg:24px;
  --shadow:0 10px 30px rgba(26,26,26,.08);
  --shadow-lg:0 18px 50px rgba(26,26,26,.14);
  --head:60px;
  --wrap:1160px; --gutter:20px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
@media(min-width:768px){:root{--head:68px;--gutter:28px}}
html{color-scheme:light only;scroll-behavior:smooth;scroll-padding-top:calc(var(--head) + 16px);-webkit-text-size-adjust:100%}
body{
  font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic","游ゴシック",Meiryo,sans-serif;
  color:var(--ink);background:#fff;line-height:1.75;
  -webkit-font-smoothing:antialiased;font-feature-settings:"palt";
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--y-deep);outline-offset:3px;border-radius:4px}
.yh-sprite{position:absolute;width:0;height:0;overflow:hidden}
.yh-ico{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.yh-mark{width:1.4em;height:1.4em;flex:none}
.yh-mark--sakura{color:var(--sakura-deep)}
.yh-mark--clover{color:var(--clover-deep)}
.yh-sp{display:inline}
@media(min-width:768px){.yh-sp{display:none}}
.yh-pc{display:none}
@media(min-width:768px){.yh-pc{display:inline}}

/* ---------- Header ---------- */
.yh-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.yh-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 20px rgba(26,26,26,.05)}
.yh-header-in{height:var(--head);max-width:1480px;margin:0 auto;padding:0 14px;display:flex;align-items:center;gap:14px}
.yh-logo{display:flex;align-items:center;gap:10px;margin-right:auto;min-width:0}
.yh-logo img{width:34px;height:34px;object-fit:contain;border-radius:4px}
.yh-logo b{display:block;font-size:17px;font-weight:800;letter-spacing:.05em;line-height:1.15;white-space:nowrap}
.yh-logo small{display:none;font-size:10px;color:var(--mute);line-height:1.4;margin-top:2px;white-space:nowrap}
@media(min-width:768px){.yh-logo img{width:38px;height:38px}.yh-logo b{font-size:19px}.yh-logo small{display:block}}
.yh-nav{display:none}
.yh-nav a{font-size:13.5px;font-weight:700;letter-spacing:.03em;padding:8px 2px;position:relative;white-space:nowrap}
.yh-nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--y-deep);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.yh-nav a:hover::after,.yh-nav a[aria-current="page"]::after{transform:scaleX(1)}
.yh-nav-extra{display:none}
.yh-tel{display:none;align-items:center;gap:8px;line-height:1.25}
.yh-tel b{display:block;font-size:19px;font-weight:800;letter-spacing:.01em}
.yh-tel small{display:block;font-size:10.5px;color:var(--mute)}
.yh-tel .yh-ico{width:20px;height:20px}
.yh-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;font-weight:800;font-size:13px;letter-spacing:.04em;padding:11px 16px;border-radius:999px;border:1.5px solid transparent;white-space:nowrap;transition:transform .2s var(--ease),box-shadow .2s,background .2s,color .2s}
.yh-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(26,26,26,.14)}
.yh-btn:active{transform:translateY(0)}
.yh-btn--y{background:var(--y);color:var(--k)}
.yh-btn--y:hover{background:var(--y-deep)}
.yh-btn--k{background:var(--k);color:#fff}
.yh-btn--o{background:#fff;color:var(--k);border-color:var(--k)}
.yh-btn--lg{font-size:15px;padding:16px 30px}
.yh-btn--block{display:flex;width:100%}
.yh-header .yh-btn--o{display:none}
.yh-header .yh-nav-extra .yh-btn--o{display:inline-flex}
@media(min-width:520px){.yh-header .yh-btn--o{display:inline-flex}}
.yh-menu-btn{width:44px;height:44px;border:0;background:transparent;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;flex:none}
.yh-menu-btn span{display:block;width:22px;height:2px;background:var(--k);border-radius:2px;transition:transform .3s var(--ease),opacity .2s}
.yh-header.is-open .yh-menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.yh-header.is-open .yh-menu-btn span:nth-child(2){opacity:0}
.yh-header.is-open .yh-menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:1099px){
  .yh-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(26,26,26,.12);padding:8px 20px 24px;flex-direction:column;max-height:calc(100vh - var(--head));overflow:auto}
  .yh-header.is-open .yh-nav{display:flex;animation:yh-drop .3s var(--ease)}
  .yh-nav a{font-size:16px;padding:16px 4px;border-bottom:1px solid var(--line)}
  .yh-nav a::after{display:none}
  .yh-nav-extra{display:grid;gap:10px;margin-top:20px}
  .yh-nav-extra a{border:1.5px solid transparent;padding:15px 16px;font-size:15px}
  .yh-nav-extra a.yh-btn--o{border-color:var(--k)}
}
@media(min-width:1100px){
  .yh-nav{display:flex;gap:22px;margin-right:6px}
  .yh-menu-btn{display:none}
}
@media(min-width:1380px){.yh-tel{display:flex}}
@keyframes yh-drop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ---------- Section / type ---------- */
.yh-wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.yh-wrap--narrow{max-width:820px}
.yh-sec{padding:clamp(56px,9vw,104px) 0;position:relative}
.yh-sec--paper{background:var(--paper)}
.yh-sec--dark{background:var(--k);color:#fff}
.yh-head{margin-bottom:clamp(24px,4vw,44px)}
.yh-head--center{text-align:center}
.yh-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.yh-eyebrow{font-size:12px;font-weight:800;letter-spacing:.3em;color:var(--y-deep);margin-bottom:10px}
.yh-h2{font-size:clamp(24px,4.4vw,40px);font-weight:800;letter-spacing:.03em;line-height:1.4}
.yh-h2 mark{background:linear-gradient(transparent 62%,var(--y) 62%);color:inherit;padding:0 .1em}
.yh-lead{margin-top:14px;font-size:clamp(13.5px,1.6vw,15.5px);color:#555;line-height:2}
.yh-sec--dark .yh-lead{color:rgba(255,255,255,.72)}
.yh-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:800;padding-bottom:4px;border-bottom:2px solid var(--y);transition:gap .25s var(--ease)}
.yh-more::after{content:"→"}
.yh-more:hover{gap:14px}
h1,h2,h3,.hero-note strong,.yh-lead,.yh-message-text{text-wrap:balance;word-break:auto-phrase}
.yh-center{text-align:center}
.yh-mt{margin-top:clamp(24px,4vw,40px)}

/* ---------- Reveal ---------- */
.yh-rv{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0ms)}
.yh-rv.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .yh-rv{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ---------- Hero（写真モザイク＋価格） ---------- */
.hero{background:#fff;position:relative;overflow:hidden}
.hero-grid{display:grid;gap:4px;padding:4px;position:relative;grid-template-columns:repeat(12,1fr);grid-template-rows:repeat(16,26px);background:#fff}
.hero-img1{grid-column:1/8;grid-row:1/6}
.hero-img2{grid-column:8/13;grid-row:1/4}
.hero-img3{grid-column:8/13;grid-row:4/7}
.hero-img4{grid-column:1/4;grid-row:6/11}
.hero-img5{grid-column:9/13;grid-row:7/12}
.hero-img6{grid-column:1/6;grid-row:11/17}
.hero-img7{grid-column:6/9;grid-row:11/14}
.hero-img8{grid-column:9/13;grid-row:12/17}
.hero-img9{grid-column:6/9;grid-row:14/17}
.hero-img10{display:none}
@media(min-width:700px){
  .hero-grid{grid-template-columns:repeat(16,1fr);grid-template-rows:repeat(12,1fr);height:min(calc(100vh - var(--head)),820px);min-height:520px;gap:6px;padding:6px}
  .hero-img1{grid-column:1/5;grid-row:1/7}
  .hero-img2{grid-column:5/9;grid-row:1/5}
  .hero-img3{grid-column:9/13;grid-row:1/5}
  .hero-img4{grid-column:13/17;grid-row:1/6}
  .hero-img5{grid-column:1/5;grid-row:7/13}
  .hero-img6{grid-column:13/17;grid-row:6/10}
  .hero-img7{grid-column:5/8;grid-row:9/13}
  .hero-img8{grid-column:8/12;grid-row:9/13}
  .hero-img9{grid-column:12/14;grid-row:10/13}
  .hero-img10{display:block;grid-column:14/17;grid-row:10/13}
}
.hero-img{position:relative;background:#e6e2d8;overflow:hidden;border-radius:6px}
.hero-img-layer{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.06);transition:opacity 1.4s ease,transform 6s ease-out}
.hero-img-layer.active{opacity:1;transform:scale(1)}
.hero-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10;text-align:center;width:72%;max-width:460px;pointer-events:none}
.hero-center>*{pointer-events:auto}
.hero-badge{display:inline-flex;align-items:center;justify-content:center;width:104px;height:104px;background:var(--y);border-radius:50%;font-size:13px;font-weight:800;line-height:1.5;color:var(--k);margin-bottom:10px;box-shadow:0 6px 24px rgba(0,0,0,.18);animation:yh-pop .9s var(--ease) both .2s}
.hero-spec{background:rgba(255,255,255,.96);padding:12px 16px;border-radius:14px;display:inline-block;backdrop-filter:blur(6px);box-shadow:0 8px 30px rgba(0,0,0,.18);animation:yh-pop .9s var(--ease) both .35s}
.hero-spec-line1{font-size:12px;font-weight:700;margin-bottom:6px;display:flex;gap:6px;align-items:center;justify-content:center;flex-wrap:wrap}
.hero-spec-line1 .tag{background:var(--y);padding:2px 8px;border-radius:3px;font-size:11px}
.hero-price{font-size:38px;font-weight:900;letter-spacing:-.02em;line-height:1;margin-bottom:4px;color:var(--k)}
.hero-price small{font-size:16px;font-weight:800;margin-left:2px}
.hero-price-sub{font-size:10px;color:#555;margin-bottom:8px}
.hero-monthly{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800}
.hero-monthly-label{background:var(--k);color:#fff;padding:4px 8px;border-radius:3px;font-size:10px;line-height:1.3;text-align:center}
.hero-monthly-price{font-size:20px;font-weight:900}
.hero-monthly-price em{color:var(--y-deep);font-style:normal}
@media(min-width:900px){
  .hero-badge{width:148px;height:148px;font-size:16px;margin-bottom:18px}
  .hero-spec{padding:18px 28px}
  .hero-spec-line1{font-size:16px;gap:8px;margin-bottom:10px}
  .hero-spec-line1 .tag{font-size:13px;padding:3px 10px}
  .hero-price{font-size:58px}.hero-price small{font-size:24px}
  .hero-price-sub{font-size:12px;margin-bottom:12px}
  .hero-monthly-label{font-size:11px;padding:4px 10px}
  .hero-monthly-price{font-size:32px}
}
@keyframes yh-pop{from{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:none}}
.hero-note{padding:22px var(--gutter) 26px;text-align:center;background:var(--paper)}
.hero-note strong{display:block;font-size:clamp(17px,2.6vw,23px);color:var(--k);letter-spacing:.05em;font-weight:800}
.hero-note-cta{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:16px 0 14px}
.hero-note small{display:block;font-size:11px;color:#777;line-height:1.75;max-width:640px;margin:0 auto}

/* ---------- Message ＋ えこひいき ---------- */
.yh-message{text-align:center}
.yh-message-copy{font-size:clamp(19px,3.6vw,34px);font-weight:800;line-height:1.7;letter-spacing:.03em}
.yh-message-copy mark{background:linear-gradient(transparent 62%,var(--y) 62%);padding:0 4px;color:inherit}
.yh-message-text{margin:20px auto 0;max-width:680px;font-size:clamp(13.5px,1.6vw,15px);line-height:2.1;color:#444}
.yh-eco{display:grid;grid-template-columns:1fr;gap:14px;margin-top:clamp(28px,5vw,48px);text-align:left}
@media(min-width:768px){.yh-eco{grid-template-columns:repeat(3,1fr);gap:18px}}
.yh-eco a{display:block;background:#fff;border-radius:var(--r);padding:24px 22px;border:1px solid var(--line);transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.yh-eco a:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--y)}
.yh-eco span{font-size:12px;font-weight:900;letter-spacing:.14em;color:var(--y-deep)}
.yh-eco h3{font-size:17px;font-weight:800;line-height:1.55;margin:6px 0 8px}
.yh-eco p{font-size:13px;line-height:1.85;color:#555}

/* ---------- Rail（横スライド） ---------- */
.yh-rail{position:relative}
.yh-rail-track{display:flex;gap:var(--gap,18px);overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch;
  padding:6px max(var(--gutter),calc((100vw - var(--wrap))/2 + var(--gutter))) 26px;
  scroll-padding-inline:max(var(--gutter),calc((100vw - var(--wrap))/2 + var(--gutter)))}
.yh-rail-track::-webkit-scrollbar{display:none}
.yh-rail-track>*{scroll-snap-align:start;flex:0 0 var(--card,82vw)}
@media(min-width:640px){.yh-rail-track{--gap:22px}.yh-rail-track>*{flex-basis:calc((min(100vw,var(--wrap)) - var(--gutter)*2 - var(--gap))/2)}}
@media(min-width:1000px){.yh-rail-track>*{flex-basis:calc((min(100vw,var(--wrap)) - var(--gutter)*2 - var(--gap)*2)/3)}}
.yh-rail-ui{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.yh-rail.is-static .yh-rail-ui{display:none}
.yh-rail-dots{display:flex;gap:8px;flex-wrap:wrap}
.yh-rail-dots button{width:8px;height:8px;border-radius:999px;border:0;padding:0;background:#d4d0c5;transition:width .3s var(--ease),background .3s}
.yh-rail-dots button.is-on{width:28px;background:var(--k)}
.yh-sec--dark .yh-rail-dots button{background:rgba(255,255,255,.3)}
.yh-sec--dark .yh-rail-dots button.is-on{background:var(--y)}
.yh-rail-btns{display:flex;gap:10px}
.yh-rail-btn{width:46px;height:46px;border-radius:50%;border:0;background:#ece8dd;color:var(--k);display:flex;align-items:center;justify-content:center;transition:background .2s,transform .2s,opacity .2s}
.yh-rail-btn:hover{background:var(--y)}
.yh-rail-btn:active{transform:scale(.92)}
.yh-rail-btn[disabled]{opacity:.35;pointer-events:none}
.yh-rail-btn .yh-ico{width:20px;height:20px;stroke-width:2.2}
.yh-sec--dark .yh-rail-btn{background:rgba(255,255,255,.14);color:#fff}
.yh-sec--dark .yh-rail-btn:hover{background:var(--y);color:var(--k)}

/* 家づくり（特徴）＝大きいカード */
.yh-rail--feature .yh-rail-track>*{flex-basis:86vw}
@media(min-width:768px){.yh-rail--feature .yh-rail-track>*{flex-basis:min(860px,74vw)}}
.yh-feature{background:#fff;border-radius:var(--r-lg);overflow:hidden;display:grid;grid-template-columns:1fr;box-shadow:var(--shadow);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.yh-rail--feature .yh-feature:not(.is-active){opacity:.45;transform:scale(.965)}
.yh-feature-img{aspect-ratio:16/10;background-size:cover;background-position:center}
.yh-feature-body{padding:22px 22px 26px}
.yh-feature-no{display:inline-flex;align-items:baseline;gap:8px;font-size:11px;font-weight:800;letter-spacing:.22em;color:var(--mute)}
.yh-feature-no b{font-size:30px;font-weight:900;letter-spacing:0;color:var(--k);line-height:1}
.yh-feature-no b::after{content:"";display:inline-block;width:26px;height:6px;background:var(--y);margin-left:8px;vertical-align:middle;border-radius:3px}
.yh-feature h3{font-size:clamp(20px,2.6vw,27px);font-weight:800;line-height:1.45;letter-spacing:.03em;margin:10px 0 10px}
.yh-feature p{font-size:13.5px;line-height:1.95;color:#444}
.yh-feature .yh-more{margin-top:16px;font-size:13.5px}
@media(min-width:768px){
  .yh-feature{grid-template-columns:1.05fr 1fr;min-height:400px}
  .yh-feature-img{aspect-ratio:auto;min-height:100%}
  .yh-feature-body{padding:38px 36px;display:flex;flex-direction:column;justify-content:center}
  .yh-feature p{font-size:14.5px}
}

/* カード共通 */
.yh-card{display:flex;flex-direction:column;background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);transition:transform .35s var(--ease),box-shadow .35s,border-color .35s;height:100%}
a.yh-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.yh-card-img{aspect-ratio:4/3;overflow:hidden;background:#eee9dc}
.yh-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
a.yh-card:hover .yh-card-img img{transform:scale(1.06)}
.yh-card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.yh-tag{display:inline-block;align-self:flex-start;background:var(--y);color:var(--k);font-size:11px;font-weight:800;letter-spacing:.06em;padding:3px 11px;border-radius:999px}
.yh-tag--line{background:transparent;border:1px solid var(--k)}
.yh-card h3{font-size:16.5px;font-weight:800;line-height:1.6;letter-spacing:.02em}
.yh-card p{font-size:12.5px;color:var(--mute);line-height:1.8}
.yh-card time{font-size:11.5px;color:var(--mute);letter-spacing:.08em;margin-top:auto;padding-top:6px}
.yh-card--col .yh-card-img{aspect-ratio:16/10}
.yh-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.yh-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
@media(min-width:1000px){.yh-grid{grid-template-columns:repeat(3,1fr)}}

/* ---------- 仕様グレード ---------- */
.yh-grades{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
@media(min-width:700px){.yh-grades{gap:18px}}
.yh-grade{background:#fff;border-radius:var(--r);padding:20px 10px;text-align:center;border-top:5px solid var(--y)}
.yh-grade--p{border-top-color:#c9a85f}
.yh-grade--e{border-top-color:#87a373}
.yh-grade b{display:block;font-size:clamp(12px,1.8vw,18px);font-weight:900;letter-spacing:.14em}
.yh-grade--p b{color:#b08f45}.yh-grade--s b{color:#d79f00}.yh-grade--e b{color:#6c8a58}
.yh-grade span{display:block;font-size:clamp(11px,1.4vw,13px);color:#555;line-height:1.7;margin-top:6px}
@media(min-width:700px){.yh-grade{padding:30px 20px}}

/* ---------- イベント ---------- */
.yh-ev{--c:var(--sakura-deep);--bg:var(--sakura-pale);display:flex;flex-direction:column;background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);height:100%;transition:transform .35s var(--ease),box-shadow .35s,border-color .35s}
.yh-ev[data-mark="clover"]{--c:var(--clover-deep);--bg:var(--clover-pale)}
a.yh-ev:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.yh-ev-top{background:var(--bg);padding:20px 20px 18px;display:flex;align-items:center;gap:14px;position:relative;overflow:hidden}
.yh-ev-top .yh-mark{width:44px;height:44px;color:var(--c)}
.yh-ev-top::after{content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;border-radius:50%;background:var(--c);opacity:.08}
.yh-ev-photo{aspect-ratio:16/9;overflow:hidden;background:#eee9dc}
.yh-ev-photo img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .8s var(--ease)}
a.yh-ev:hover .yh-ev-photo img{transform:scale(1.06)}
.yh-ev-date{font-size:12px;font-weight:800;color:var(--c);letter-spacing:.08em;line-height:1.4}
.yh-ev-date b{display:block;font-size:26px;font-weight:900;color:var(--k);letter-spacing:.01em;line-height:1.2}
.yh-ev-date b small{font-size:14px;font-weight:800;margin-left:4px}
.yh-ev-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.yh-ev-body h3{font-size:18px;font-weight:800;line-height:1.5}
.yh-ev-body p{font-size:13px;color:#555;line-height:1.85}
.yh-ev-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.yh-ev-meta span{font-size:11px;font-weight:700;background:var(--paper);border-radius:999px;padding:3px 10px;color:#555}
.yh-ev-body .yh-more{margin-top:auto;align-self:flex-start;font-size:13.5px;border-bottom-color:var(--c)}

.yh-cal-wrap{display:grid;grid-template-columns:1fr;gap:22px;align-items:start;margin-top:clamp(28px,4vw,44px)}
@media(min-width:900px){.yh-cal-wrap{grid-template-columns:minmax(0,440px) 1fr;gap:44px}}
.yh-cal{background:#fff;border-radius:var(--r-lg);padding:20px 16px 18px;box-shadow:var(--shadow)}
@media(min-width:480px){.yh-cal{padding:26px 24px 22px}}
.yh-cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.yh-cal-title{font-size:20px;font-weight:900;letter-spacing:.04em}
.yh-cal-title small{font-size:13px;font-weight:700;color:var(--mute);margin-right:6px}
.yh-cal-nav{display:flex;gap:6px}
.yh-cal-nav button{width:38px;height:38px;border-radius:50%;border:0;background:var(--paper);display:flex;align-items:center;justify-content:center}
.yh-cal-nav button:hover{background:var(--y)}
.yh-cal-nav button[disabled]{opacity:.3;pointer-events:none}
.yh-cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px}
.yh-cal-dow{font-size:11px;font-weight:800;text-align:center;color:var(--mute);padding:6px 0}
.yh-cal-dow:first-child{color:#c9546c}.yh-cal-dow:nth-child(7){color:#4b7fb5}
.yh-cal-day{min-height:58px;border-radius:10px;padding:5px 2px 4px;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:13px;font-weight:700;color:#333}
.yh-cal-day.is-out{visibility:hidden}
.yh-cal-day.is-past{color:#c4c0b6}
.yh-cal-day.is-today .yh-cal-num{background:var(--k);color:#fff}
.yh-cal-day.has-ev{background:var(--paper)}
.yh-cal-num{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;line-height:1}
.yh-cal-marks{display:flex;gap:1px;justify-content:center}
.yh-cal-marks a{display:flex;padding:2px;border-radius:50%;transition:transform .2s var(--ease),background .2s}
.yh-cal-marks a:hover{transform:scale(1.25);background:#fff}
.yh-cal-marks .yh-mark{width:19px;height:19px}
@media(min-width:480px){.yh-cal-day{min-height:66px}.yh-cal-marks .yh-mark{width:22px;height:22px}}
.yh-cal-legend{display:grid;gap:12px}
.yh-cal-legend a{display:flex;align-items:center;gap:14px;background:#fff;border-radius:var(--r);padding:16px 18px;border:1px solid var(--line);transition:transform .3s var(--ease),box-shadow .3s}
.yh-cal-legend a:hover{transform:translateX(6px);box-shadow:var(--shadow)}
.yh-cal-legend .yh-mark{width:34px;height:34px}
.yh-cal-legend b{display:block;font-size:15.5px;font-weight:800;line-height:1.4}
.yh-cal-legend small{display:block;font-size:12px;color:var(--mute);line-height:1.6}
.yh-cal-legend a::after{content:"→";margin-left:auto;font-weight:800}
.yh-cal-note{font-size:12px;color:var(--mute);line-height:1.8;margin-top:4px}

/* ---------- 流れ ---------- */
.yh-flow{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;counter-reset:f}
@media(min-width:800px){.yh-flow{grid-template-columns:repeat(6,1fr);gap:0}}
.yh-flow li{list-style:none;padding:20px 14px;border:1px solid rgba(255,255,255,.16);border-radius:12px;text-align:center;position:relative}
.yh-flow small{display:block;font-size:10.5px;font-weight:800;letter-spacing:.16em;color:var(--y);margin-bottom:6px}
.yh-flow b{display:block;font-size:15px;font-weight:800;margin-bottom:6px}
.yh-flow span{display:block;font-size:11.5px;color:rgba(255,255,255,.7);line-height:1.65}
@media(min-width:800px){
  .yh-flow li{border:0;border-radius:0;border-top:2px solid rgba(255,255,255,.2);padding:26px 12px 6px}
  .yh-flow li::before{content:"";position:absolute;top:-7px;left:50%;width:12px;height:12px;margin-left:-6px;border-radius:50%;background:var(--y)}
}

/* ---------- お問い合わせ・フォーム ---------- */
.yh-contact{background:var(--y)}
.yh-contact .yh-eyebrow{color:var(--k);opacity:.6}
.yh-contact-opts{display:grid;grid-template-columns:1fr;gap:12px;max-width:720px;margin:0 auto}
@media(min-width:640px){.yh-contact-opts{grid-template-columns:1fr 1fr;gap:16px}}
.yh-contact-opt{display:block;background:#fff;border-radius:var(--r);padding:22px 20px;text-align:center;transition:transform .25s var(--ease),box-shadow .25s}
.yh-contact-opt:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(0,0,0,.14)}
.yh-contact-opt small{display:block;font-size:11px;font-weight:800;letter-spacing:.3em;color:var(--mute)}
.yh-contact-opt b{display:block;font-size:clamp(22px,3vw,27px);font-weight:900;margin:6px 0 4px}
.yh-contact-opt span{font-size:12px;color:var(--mute)}
.yh-form{max-width:720px;margin:22px auto 0;background:#fff;border-radius:var(--r-lg);padding:26px 20px;text-align:left;box-shadow:0 10px 30px rgba(0,0,0,.08)}
@media(min-width:768px){.yh-form{padding:40px 38px}}
.yh-form-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.yh-form-row{margin-bottom:18px}
.yh-form-grid{display:grid;grid-template-columns:1fr;gap:0 18px}
@media(min-width:600px){.yh-form-grid{grid-template-columns:1fr 1fr}}
.yh-form label.yh-label,.yh-form .yh-label{display:block;font-size:13px;font-weight:800;margin-bottom:7px;color:var(--k)}
.yh-req{display:inline-block;margin-left:8px;background:var(--k);color:var(--y);font-size:10px;font-weight:800;letter-spacing:.08em;padding:2px 7px;border-radius:3px;vertical-align:2px}
.yh-input{width:100%;font-family:inherit;font-size:16px;color:var(--k);background:#faf8f2;border:1px solid #e2ddcd;border-radius:10px;padding:13px 14px;line-height:1.6;-webkit-appearance:none;appearance:none;transition:border-color .2s,box-shadow .2s,background .2s}
select.yh-input{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%231a1a1a' d='M6 8 0 0h12z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
textarea.yh-input{resize:vertical;min-height:120px}
.yh-input:focus{outline:none;border-color:var(--y-deep);background:#fff;box-shadow:0 0 0 4px rgba(255,213,79,.35)}
.yh-input::placeholder{color:#b3ab97}
.yh-agree{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.75;margin:4px 0 22px}
.yh-agree input{margin-top:3px;width:18px;height:18px;flex:none;accent-color:var(--k)}
.yh-agree a{text-decoration:underline;font-weight:700}
.yh-submit{display:block;width:100%;background:var(--k);color:#fff;font-size:16px;font-weight:800;letter-spacing:.06em;border:0;border-radius:999px;padding:18px 20px;transition:background .2s,transform .2s}
.yh-submit:hover{background:#000;transform:translateY(-2px)}
.yh-form-note{font-size:12px;color:#888;line-height:1.85;margin-top:14px;text-align:center}

/* ---------- 下層ページ共通（イベント・コラム） ---------- */
.yh-crumb{font-size:11.5px;color:var(--mute);padding:14px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.yh-crumb a{text-decoration:underline;text-underline-offset:3px}
.yh-crumb span::before{content:"/";margin-right:6px;color:#bbb}
.yh-page-hero{background:var(--k);color:#fff;padding:clamp(48px,8vw,92px) 0 clamp(44px,7vw,80px)}
.yh-page-hero .yh-eyebrow{color:var(--y)}
.yh-page-hero h1{font-size:clamp(27px,5vw,46px);font-weight:900;line-height:1.4;letter-spacing:.03em}
.yh-page-hero h1 em{font-style:normal;color:var(--y)}
.yh-page-hero p{margin-top:16px;font-size:clamp(14px,1.7vw,16.5px);line-height:2;color:#e6e6e6;max-width:720px}

.yh-evhero{--c:var(--sakura-deep);--bg:var(--sakura-pale);background:var(--bg);padding:clamp(28px,5vw,56px) 0 clamp(36px,6vw,64px);position:relative;overflow:hidden}
.yh-evhero[data-mark="clover"]{--c:var(--clover-deep);--bg:var(--clover-pale)}
.yh-evhero-deco{position:absolute;right:-40px;top:-30px;width:min(46vw,360px);height:auto;color:var(--c);opacity:.14;animation:yh-spin 60s linear infinite}
@keyframes yh-spin{to{transform:rotate(360deg)}}
.yh-evhero .yh-eyebrow{color:var(--c)}
.yh-evhero h1{font-size:clamp(28px,5.4vw,50px);font-weight:900;line-height:1.35;letter-spacing:.03em;position:relative}
.yh-evhero-lead{margin-top:14px;font-size:clamp(14px,1.7vw,16.5px);line-height:2;color:#444;max-width:680px;position:relative}
.yh-facts{display:grid;grid-template-columns:1fr;gap:10px;margin-top:24px;position:relative}
@media(min-width:700px){.yh-facts{grid-template-columns:repeat(3,1fr);gap:14px}}
.yh-fact{background:#fff;border-radius:var(--r);padding:16px 18px}
.yh-fact small{display:block;font-size:11px;font-weight:800;letter-spacing:.16em;color:var(--c)}
.yh-fact b{display:block;font-size:16px;font-weight:800;line-height:1.55;margin-top:4px}
.yh-fact span{display:block;font-size:12px;color:var(--mute);line-height:1.7}
.yh-evhero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;position:relative}
.yh-dates{display:flex;flex-wrap:wrap;gap:8px}
.yh-dates li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:800}
.yh-dates li small{font-weight:700;color:var(--mute);margin-left:4px}
.yh-points{display:grid;grid-template-columns:1fr;gap:16px;counter-reset:p}
@media(min-width:800px){.yh-points{grid-template-columns:repeat(3,1fr);gap:20px}}
.yh-point{background:#fff;border-radius:var(--r);padding:24px 22px;border:1px solid var(--line);counter-increment:p}
.yh-point::before{content:counter(p,decimal-leading-zero);display:block;font-size:13px;font-weight:900;letter-spacing:.14em;color:var(--y-deep);margin-bottom:8px}
.yh-point h3{font-size:17px;font-weight:800;line-height:1.55;margin-bottom:8px}
.yh-point p{font-size:13.5px;line-height:1.9;color:#555}
.yh-steps{display:grid;gap:14px;counter-reset:s;max-width:720px}
.yh-steps li{list-style:none;counter-increment:s;position:relative;padding-left:56px;font-size:14px;line-height:1.9;color:#444}
.yh-steps li::before{content:counter(s);position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:var(--y);color:var(--k);font-weight:900;display:flex;align-items:center;justify-content:center}
.yh-steps b{display:block;font-size:15.5px;font-weight:800;color:var(--k)}
.yh-h3{font-size:clamp(19px,2.8vw,26px);font-weight:800;line-height:1.5;letter-spacing:.03em;margin-bottom:18px;padding-left:14px;border-left:5px solid var(--y)}

/* コラム記事 */
.yh-article-head{padding:clamp(20px,4vw,40px) 0 0}
.yh-article-head h1{font-size:clamp(24px,4.4vw,38px);font-weight:900;line-height:1.5;letter-spacing:.02em;margin:12px 0 14px}
.yh-article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--mute);letter-spacing:.06em}
.yh-article-lead{font-size:clamp(14.5px,1.8vw,16.5px);line-height:2.05;color:#444}
.yh-article-img{margin:26px 0 0;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/9;background:#eee9dc}
.yh-article-img img{width:100%;height:100%;object-fit:cover}
.yh-article{padding-top:clamp(28px,5vw,48px);padding-bottom:clamp(36px,6vw,64px);font-size:15.5px;line-height:2.05;color:#333}
.yh-article h2{font-size:clamp(19px,2.8vw,24px);font-weight:800;line-height:1.55;margin:44px 0 16px;padding-left:14px;border-left:5px solid var(--y);color:var(--k)}
.yh-article p{margin-bottom:18px}
.yh-article ul{margin:0 0 18px 1.3em}
.yh-article li{margin-bottom:8px}
.yh-article strong{font-weight:800;background:linear-gradient(transparent 68%,var(--y-pale) 68%)}
.yh-article table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:14px;line-height:1.7}
.yh-article th,.yh-article td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.yh-article th{background:var(--paper);font-weight:800;white-space:nowrap}
.yh-table-scroll{overflow-x:auto}
.yh-keybox{background:var(--y-pale);border-radius:var(--r);padding:22px 22px 8px;margin:0 0 26px}
.yh-keybox b{display:block;font-size:13px;font-weight:900;letter-spacing:.14em;margin-bottom:8px}
.yh-sources{background:var(--paper);border-radius:var(--r);padding:20px 22px;margin-top:36px;font-size:12.5px;line-height:1.9;color:#555}
.yh-sources b{display:block;font-size:12px;letter-spacing:.14em;color:var(--k);margin-bottom:6px}
.yh-sources ul{margin:0 0 0 1.2em}
.yh-sources li{margin-bottom:4px;word-break:break-all}
.yh-sources a{text-decoration:underline;text-underline-offset:3px}
.yh-sources p{margin:10px 0 0;font-size:12px}
.yh-next{background:var(--k);color:#fff;border-radius:var(--r-lg);padding:28px 24px;display:grid;gap:16px;align-items:center;margin-top:36px}
@media(min-width:700px){.yh-next{grid-template-columns:1fr auto;padding:34px 36px}}
.yh-next small{display:block;font-size:11px;font-weight:800;letter-spacing:.2em;color:var(--y);margin-bottom:6px}
.yh-next b{display:block;font-size:clamp(17px,2.4vw,21px);font-weight:800;line-height:1.6}
.yh-next span{display:block;font-size:13px;color:rgba(255,255,255,.75);line-height:1.8;margin-top:4px}

/* ---------- CTA帯 ---------- */
.yh-cta{background:var(--paper);text-align:center;padding:clamp(48px,8vw,88px) 0}
.yh-cta h2{font-size:clamp(21px,3.6vw,32px);font-weight:800;line-height:1.6;letter-spacing:.03em}
.yh-cta p{font-size:14px;color:#555;margin:12px 0 24px;line-height:1.9}
.yh-cta-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* ---------- Footer ---------- */
.yh-footer{background:var(--k);color:rgba(255,255,255,.72);padding:56px 0 28px;font-size:12.5px;line-height:2}
.yh-footer-in{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter);display:grid;grid-template-columns:1fr;gap:30px}
@media(min-width:760px){.yh-footer-in{grid-template-columns:1.6fr 1fr 1fr;gap:40px}}
.yh-footer-name{font-size:16px;font-weight:800;color:#fff;letter-spacing:.06em;margin-bottom:8px}
.yh-footer h4{font-size:12px;color:#fff;letter-spacing:.2em;margin-bottom:10px}
.yh-footer ul{list-style:none}
.yh-footer li a{display:inline-block;padding:2px 0;transition:color .2s}
.yh-footer li a:hover{color:var(--y)}
.yh-footer-copy{max-width:var(--wrap);margin:36px auto 0;padding:22px var(--gutter) 0;border-top:1px solid rgba(255,255,255,.12);text-align:center;font-size:11px;color:rgba(255,255,255,.5)}

/* スマホ下部の固定ボタン */
.yh-cv{position:fixed;left:0;right:0;bottom:0;z-index:80;display:grid;grid-template-columns:.8fr 1fr 1fr;background:#fff;border-top:1px solid var(--line);transform:translateY(100%);transition:transform .4s var(--ease);padding-bottom:env(safe-area-inset-bottom)}
.yh-cv.is-show{transform:none}
.yh-cv a{display:flex;align-items:center;justify-content:center;gap:6px;padding:14px 6px;font-size:13px;font-weight:800}
.yh-cv a:nth-child(2){background:var(--y);color:var(--k)}
.yh-cv a:nth-child(3){background:var(--k);color:#fff}
@media(min-width:768px){.yh-cv{display:none}}
@media(max-width:767px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}}

/* 写真の拡大表示 */
.yh-lb{position:fixed;inset:0;z-index:300;background:rgba(15,15,15,.92);display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity .25s}
.yh-lb.is-open{opacity:1;pointer-events:auto}
.yh-lb img{max-width:100%;max-height:100%;border-radius:8px}
.yh-lb button{position:absolute;top:14px;right:14px;width:46px;height:46px;border-radius:50%;border:0;background:#fff;font-size:22px;line-height:1}
.gal-slide img{cursor:zoom-in}
.gal-cap{font-size:13px;line-height:1.7;color:#444;padding:10px 4px 0;min-height:3.4em;position:relative;padding-left:14px}
.gal-cap::before{content:"";position:absolute;left:0;top:16px;width:8px;height:2px;background:var(--y-deep)}
.gal-wrap .gal-arrow{top:calc(50% - 26px)}
.yh-lb figcaption,.yh-lb p{position:absolute;left:0;right:0;bottom:18px;text-align:center;color:#fff;font-size:14px;padding:0 20px;text-shadow:0 1px 6px rgba(0,0,0,.8)}

/* ---------- 自分で調べる・FAQ・約束・LINE・シミュレーター・現場・エリア・絞り込み ---------- */
.yh-sec--tight{padding:clamp(28px,5vw,52px) 0}
.yh-tiles{display:grid;grid-template-columns:1fr;gap:10px}
@media(min-width:700px){.yh-tiles{grid-template-columns:repeat(3,1fr);gap:16px}}
.yh-tile{display:grid;grid-template-columns:1fr auto;align-items:center;column-gap:12px;background:var(--k);color:#fff;border-radius:var(--r);padding:18px 20px;transition:transform .3s var(--ease),box-shadow .3s,background .3s}
.yh-tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);background:#000}
.yh-tile small{grid-column:1;font-size:10.5px;font-weight:800;letter-spacing:.22em;color:var(--y)}
.yh-tile b{grid-column:1;font-size:19px;font-weight:800;line-height:1.5}
.yh-tile span{grid-column:1;font-size:12px;color:rgba(255,255,255,.72);line-height:1.7}
.yh-tile::after{content:"→";grid-column:2;grid-row:1/4;width:38px;height:38px;border-radius:50%;background:var(--y);color:var(--k);font-weight:800;display:flex;align-items:center;justify-content:center;transition:transform .3s var(--ease)}
.yh-tile:hover::after{transform:translateX(4px)}

.yh-faq{display:grid;gap:10px}
.yh-faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.yh-faq-item[open]{border-color:var(--y);box-shadow:var(--shadow)}
.yh-faq-item summary{list-style:none;cursor:pointer;padding:17px 52px 17px 50px;font-size:15px;font-weight:800;line-height:1.6;position:relative}
.yh-faq-item summary::-webkit-details-marker{display:none}
.yh-faq-item summary::before{content:"Q";position:absolute;left:18px;top:15px;font-size:17px;font-weight:900;color:var(--y-deep)}
.yh-faq-item summary::after{content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;border-right:2px solid var(--k);border-bottom:2px solid var(--k);transform:translateY(-70%) rotate(45deg);transition:transform .25s var(--ease)}
.yh-faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.yh-faq-item p{padding:0 20px 20px 50px;font-size:14px;line-height:1.95;color:#444}

.yh-promise{list-style:none;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:720px;margin:18px auto 0}
.yh-promise li{background:rgba(255,255,255,.7);border-radius:999px;padding:7px 16px;font-size:12.5px;font-weight:700;color:#3a3a3a}
.yh-promise b{font-weight:900;color:var(--k);margin-left:4px}
@media(min-width:640px){.yh-contact-opts{grid-template-columns:repeat(3,1fr);max-width:860px}}
.yh-line b{color:#06a94d}
.yh-line.is-soon{opacity:.6}
.yh-line.is-soon b{color:var(--mute)}

.yh-sim{display:grid;grid-template-columns:1fr;gap:18px;max-width:920px;margin:0 auto}
@media(min-width:820px){.yh-sim{grid-template-columns:1fr 1fr;gap:24px}}
.yh-sim-in,.yh-sim-out{border-radius:var(--r-lg);padding:26px 22px}
.yh-sim-in{background:var(--paper)}
.yh-sim-out{background:var(--k);color:#fff}
@media(min-width:820px){.yh-sim-in,.yh-sim-out{padding:36px 32px}}
.yh-sim-row{display:block;margin-bottom:26px}
.yh-sim-row span{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;font-weight:800;margin-bottom:10px}
.yh-sim-row output{font-size:24px;font-weight:900;letter-spacing:.01em}
.yh-sim-row input[type=range]{width:100%;height:32px;accent-color:var(--k);cursor:pointer}
.yh-sim-presets{display:flex;flex-wrap:wrap;gap:8px}
.yh-sim-presets button{border:1px solid var(--k);background:#fff;border-radius:999px;padding:8px 14px;font-size:12px;font-weight:700;transition:background .2s}
.yh-sim-presets button:hover{background:var(--y)}
.yh-sim-label{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--y)}
.yh-sim-main{font-size:clamp(44px,8vw,64px);font-weight:900;line-height:1.2;letter-spacing:-.01em;margin:4px 0 16px;font-variant-numeric:tabular-nums}
.yh-sim-main small{font-size:18px;font-weight:800;margin-left:6px}
.yh-sim-sub{display:grid;gap:10px;margin-bottom:22px}
.yh-sim-sub div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border-top:1px solid rgba(255,255,255,.16);padding-top:10px}
.yh-sim-sub dt{font-size:12.5px;color:rgba(255,255,255,.75)}
.yh-sim-sub dd{font-size:14px;font-weight:700;text-align:right;font-variant-numeric:tabular-nums}
.yh-sim-sub dd b{font-size:20px;font-weight:900;margin-right:2px}
.yh-sim-sub dd small{display:block;font-size:11.5px;color:var(--y);font-weight:700}
.yh-sim-note{font-size:11.5px;line-height:1.8;color:rgba(255,255,255,.6);margin-top:14px}

.yh-sample-note{background:var(--y-pale);border-radius:var(--r);padding:14px 18px;font-size:13px;line-height:1.8;margin-bottom:26px}
.yh-genba{list-style:none;display:grid;gap:28px;position:relative}
.yh-genba::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:var(--line)}
.yh-genba-item{position:relative;padding-left:30px}
.yh-genba-item::before{content:"";position:absolute;left:0;top:6px;width:12px;height:12px;border-radius:50%;background:var(--y);box-shadow:0 0 0 4px #fff}
.yh-genba-item time{display:block;font-size:13px;font-weight:900;letter-spacing:.1em;margin-bottom:10px}
.yh-genba-img{border-radius:var(--r);overflow:hidden;aspect-ratio:16/9;background:var(--paper)}
.yh-genba-img img{width:100%;height:100%;object-fit:cover}
.yh-genba-img.is-empty{display:flex;align-items:center;justify-content:center;border:2px dashed #d9d4c6;font-size:13px;color:var(--mute)}
.yh-genba-body{padding-top:14px}
.yh-genba-body h2{font-size:19px;font-weight:800;line-height:1.5;margin:6px 0}
.yh-genba-body p{font-size:14px;line-height:1.95;color:#444}

.yh-voice{background:var(--paper);border-radius:var(--r);padding:26px 24px 22px;display:flex;flex-direction:column;gap:10px;height:100%;position:relative}
.yh-voice::before{content:"“";position:absolute;right:20px;top:2px;font-size:72px;font-weight:900;line-height:1;color:var(--y);font-family:Georgia,serif}
.yh-voice .yh-tag{position:relative}
.yh-voice blockquote{flex:1;position:relative}
.yh-voice h3{font-size:16.5px;font-weight:800;line-height:1.6;margin-bottom:10px;padding-right:34px}
.yh-voice p{font-size:13.5px;line-height:1.95;color:#444}
.yh-voice figcaption{font-size:12px;font-weight:700;color:var(--mute);padding-top:12px;border-top:1px solid var(--line)}
.yh-pro{margin:18px 0 14px;background:var(--k);color:#fff;border-radius:var(--r);padding:20px 18px 18px}
.yh-pro-head{font-size:15px !important;font-weight:800;line-height:1.6 !important;margin:0 0 14px !important;color:#fff}
.yh-pro-head span{display:inline-block;background:var(--y);color:var(--k);font-size:10.5px;font-weight:900;letter-spacing:.16em;padding:3px 10px;border-radius:999px;margin-right:10px;vertical-align:2px}
.yh-pro-list{list-style:none;display:grid;grid-template-columns:1fr;gap:8px;margin:0;padding:0}
@media(min-width:640px){.yh-pro-list{grid-template-columns:1fr 1fr;gap:10px}}
.yh-pro-list li{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,213,79,.28);border-radius:12px;padding:12px 14px;transition:background .25s,transform .25s var(--ease)}
.yh-pro-list li:hover{background:rgba(255,213,79,.14);transform:translateY(-2px)}
.yh-pro-ico{width:42px;height:42px;flex:none;padding:9px;border-radius:50%;background:var(--y);color:var(--k);fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.yh-pro-list b{display:block;font-size:14.5px;font-weight:800;line-height:1.4;color:var(--y)}
.yh-pro-list span{display:block;font-size:13px;line-height:1.6;color:#f1f1f1}
/* 構造ページ */
.yh-bars{display:grid;gap:14px}
.yh-bar{display:grid;grid-template-columns:118px 1fr 64px;align-items:center;gap:12px;font-size:13.5px;font-weight:700}
.yh-bar span small{display:block;font-size:11px;font-weight:600;color:var(--mute)}
.yh-bar i{display:block;height:26px;border-radius:6px;background:#d9d4c6;width:var(--w);transition:width 1.2s var(--ease) .2s}
.yh-bars.yh-rv:not(.is-in) .yh-bar i{width:0}
.yh-bar.is-key i{background:var(--y-deep);min-width:8px}
.yh-bar b{font-size:20px;font-weight:900;text-align:right;font-variant-numeric:tabular-nums}
.yh-bar.is-key b{color:#b98600}
.yh-stack{list-style:none;display:grid;gap:12px;max-width:860px;position:relative}
.yh-stack::before{content:"";position:absolute;left:25px;top:30px;bottom:30px;width:2px;background:var(--y)}
.yh-stack li{display:flex;gap:18px;align-items:flex-start;background:#fff;border-radius:var(--r);padding:20px 22px 20px 0;position:relative}
.yh-stack-no{flex:none;width:52px;height:52px;border-radius:50%;background:var(--k);color:var(--y);font-size:15px;font-weight:900;display:flex;align-items:center;justify-content:center;position:relative;z-index:1;margin-left:0}
.yh-stack h3{font-size:18px;font-weight:800;line-height:1.5;margin-bottom:6px}
.yh-stack p{font-size:14px;line-height:1.95;color:#444}
.yh-grade3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:end;height:260px}
.yh-grade3>div{display:grid;grid-template-rows:auto 1fr auto;height:100%;text-align:center;gap:8px}
.yh-grade3 b{font-size:15px;font-weight:900;letter-spacing:.06em}
.yh-grade3 i{display:block;align-self:end;height:var(--h);background:#d9d4c6;border-radius:10px 10px 0 0}
.yh-grade3 .is-key i{background:var(--y)}
.yh-grade3 span{font-size:12px;line-height:1.6;color:#555}
.yh-grade3 small{font-size:17px;font-weight:900;color:var(--k);margin:0 2px}
.yh-points--dark .yh-point{background:rgba(255,255,255,.06);border-color:rgba(255,213,79,.28)}
.yh-points--dark .yh-point h3{color:#fff}
.yh-points--dark .yh-point p{color:#d6d6d6}
.yh-article-table{width:100%;border-collapse:collapse;font-size:14.5px;line-height:1.7}
.yh-article-table th,.yh-article-table td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.yh-article-table th{background:var(--paper);font-weight:800}
.yh-article-table tr.is-key td{background:var(--y-pale);font-weight:800}
@media(max-width:599px){
  .yh-bar{grid-template-columns:92px 1fr 56px;gap:8px;font-size:12.5px}
  .yh-stack li{padding:16px 16px 16px 0;gap:12px}
  .yh-stack-no{width:44px;height:44px;font-size:13px}
  .yh-stack::before{left:21px}
  .yh-grade3{height:220px;gap:8px}
}
.yh-mono{display:grid;grid-template-columns:1fr;gap:26px;align-items:start}
@media(min-width:980px){.yh-mono{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:40px}}
.yh-mono-fig{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:560px){.yh-mono-fig{grid-template-columns:1fr 1fr}}
.yh-mono-fig figure{background:var(--paper);border-radius:var(--r-lg);padding:14px 14px 18px;margin:0}
.yh-mono-fig figure.is-key{background:var(--k);color:#fff}
.yh-mono-fig img{width:100%;height:auto;display:block}
.yh-mono-fig figcaption{padding:6px 6px 0}
.yh-mono-fig b{display:block;font-size:15px;font-weight:800;line-height:1.5}
.yh-mono-fig span{display:block;font-size:12.5px;line-height:1.7;color:var(--mute);margin-top:4px}
.yh-mono-fig .is-key span{color:#ddd}
.yh-specs{display:grid;gap:0;border-top:2px solid var(--k)}
.yh-specs>div{display:grid;grid-template-columns:92px 1fr;gap:14px;padding:14px 4px;border-bottom:1px solid var(--line)}
.yh-specs dt{font-size:12.5px;font-weight:800;letter-spacing:.06em;color:var(--mute);padding-top:3px}
.yh-specs dd{font-size:13.5px;line-height:1.85;color:#444}
.yh-specs dd b{display:block;font-size:16px;font-weight:800;color:var(--k);line-height:1.6}
.yh-eq{display:grid;grid-template-columns:1fr;gap:14px;align-items:end}
@media(min-width:800px){.yh-eq{grid-template-columns:1fr 1fr 1.25fr;gap:10px}}
.yh-eq-card{background:#fff;border-radius:var(--r);padding:26px 22px 24px;position:relative}
@media(min-width:800px){.yh-eq-card:nth-child(1){margin-top:80px}.yh-eq-card:nth-child(2){margin-top:40px}.yh-eq-card.is-key{padding-top:44px;padding-bottom:36px}}
.yh-eq-card.is-key{background:var(--k);color:#fff}
.yh-eq-no{text-align:center;font-size:54px;font-weight:300;line-height:1.1}
.yh-eq-no small{display:block;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--mute)}
.yh-eq-card.is-key .yh-eq-no{font-size:72px;color:#fff}
.yh-eq-card.is-key .yh-eq-no small{color:#ccc}
.yh-eq-x{background:var(--paper);border-radius:8px;text-align:center;padding:10px 8px;font-size:13.5px;font-weight:700;margin:12px 0 16px;position:relative}
.yh-eq-x b{font-size:20px;font-weight:900;margin-left:4px}
.yh-eq-card.is-key .yh-eq-x{background:var(--y);color:var(--k)}
@media(min-width:800px){.yh-eq-card+.yh-eq-card .yh-eq-x::before{content:"";position:absolute;left:-30px;top:50%;width:26px;height:10px;margin-top:-5px;background:var(--y-deep);clip-path:polygon(0 25%,62% 25%,62% 0,100% 50%,62% 100%,62% 75%,0 75%);z-index:2}}
.yh-eq-ex{font-size:14px;font-weight:800;line-height:1.6;margin-bottom:8px}
.yh-eq-tx{font-size:13px;line-height:1.9;color:#555}
.yh-eq-card.is-key .yh-eq-tx{color:#e2e2e2}
.yh-eq-badge{position:absolute;right:-8px;top:-34px;width:104px;height:104px;border-radius:50%;background:var(--y);color:var(--k);font-size:12.5px;font-weight:900;line-height:1.45;display:flex;align-items:center;justify-content:center;text-align:center;box-shadow:0 8px 22px rgba(0,0,0,.2);transform:rotate(6deg)}
@media(max-width:799px){.yh-eq-badge{right:10px;top:-22px;width:92px;height:92px;font-size:11.5px}.yh-eq-card.is-key{margin-top:16px}}
/* 保証ページ */
.yh-tl{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:26px 0;position:relative;counter-reset:t}
@media(min-width:760px){.yh-tl{grid-template-columns:repeat(6,1fr)}}
.yh-tl li{position:relative;text-align:center;padding-top:74px}
.yh-tl li::before{content:"";position:absolute;top:29px;left:0;right:0;height:3px;background:var(--line)}
.yh-tl li::after{content:"";position:absolute;top:0;left:50%;width:60px;height:60px;margin-left:-30px;border-radius:50%;background:#fff;border:3px solid var(--k)}
.yh-tl li.is-key::after{background:var(--y);border-color:var(--y)}
.yh-tl b{position:absolute;top:0;left:0;right:0;height:60px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:900;z-index:1;line-height:1}
.yh-tl b small{font-size:11px;font-weight:800;margin-left:1px;align-self:flex-end;padding-bottom:17px}
.yh-tl span{display:block;font-size:12px;color:var(--mute);line-height:1.6;min-height:1.6em}
.yh-checks{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:640px){.yh-checks{grid-template-columns:repeat(2,1fr);gap:14px}}
@media(min-width:1000px){.yh-checks{grid-template-columns:repeat(3,1fr)}}
.yh-check{background:var(--paper);border-radius:var(--r);padding:18px 20px;border-left:5px solid var(--y)}
.yh-check.is-key{background:var(--k);border-left-color:var(--y)}
.yh-check b{display:block;font-size:16px;font-weight:800;margin-bottom:4px}
.yh-check p{font-size:13.5px;line-height:1.85;color:#444}
.yh-check.is-key b{color:var(--y)}.yh-check.is-key p{color:#eee}
.yh-guars{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:800px){.yh-guars{grid-template-columns:repeat(3,1fr);gap:18px}}
.yh-guar{background:rgba(255,255,255,.06);border:1px solid rgba(255,213,79,.28);border-radius:var(--r-lg);padding:26px 24px}
.yh-guar.is-key{background:var(--y);color:var(--k);border-color:var(--y)}
.yh-guar-term{font-size:16px;font-weight:800;line-height:1;color:var(--y)}
.yh-guar-term b{font-size:clamp(46px,7vw,64px);font-weight:900;letter-spacing:-.02em;margin-right:4px}
.yh-guar.is-key .yh-guar-term{color:var(--k)}
.yh-guar h3{font-size:19px;font-weight:800;margin:10px 0 8px;color:#fff}
.yh-guar.is-key h3{color:var(--k)}
.yh-guar p:last-child{font-size:13.5px;line-height:1.9;color:#ddd}
.yh-guar.is-key p:last-child{color:#3a3a3a}
.yh-notes{list-style:none;display:grid;gap:8px;margin:0;padding:0}
.yh-notes li{font-size:13px;line-height:1.85;color:#eee;padding-left:16px;position:relative}
.yh-notes li::before{content:"※";position:absolute;left:0;color:var(--y)}
.yh-pro-list--one{grid-template-columns:1fr !important}
.yh-pro-list--one li{align-items:flex-start}
.yh-pro-list--one b{font-size:16px}
.yh-pro-list--one span{font-size:13.5px;line-height:1.85;margin-top:4px}
.yh-pro-link{margin:12px 0 0 !important;font-size:13px !important}
.yh-pro-link a{color:var(--y);font-weight:800;border-bottom:1px solid var(--y);padding-bottom:2px}
.yh-pro-link a::after{content:" →"}
@media(max-width:599px){
  .about-card{flex-direction:column;gap:6px !important;padding:22px 18px !important}
  .about-card-no{font-size:28px !important}
  .yh-pro{padding:16px 14px 14px}
  .yh-pro-head span{display:table;margin:0 0 6px}
}
.yh-area-table td{font-weight:900;font-size:17px;text-align:right;font-variant-numeric:tabular-nums}
.yh-area-table tr.is-ref th,.yh-area-table tr.is-ref td{background:#fff;color:var(--mute);font-weight:700;font-size:14px}

/* 施工事例のハッシュタグ */
.yh-hash{display:inline-flex;align-items:center;gap:4px;font-family:inherit;font-size:12px;font-weight:700;line-height:1.4;color:#5b5648;background:#f3efe4;border:1px solid transparent;border-radius:999px;padding:4px 10px;cursor:pointer;text-decoration:none;transition:background .2s,color .2s,border-color .2s;white-space:nowrap}
.yh-hash:hover{border-color:var(--k)}
.yh-hash.is-on{background:var(--k);color:var(--y);border-color:var(--k)}
.yh-hash small{font-size:10.5px;font-weight:700;opacity:.6}
.yh-hash--more{cursor:default;background:transparent;color:var(--mute)}
.yh-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:12px}
.yh-tags--detail{margin:0 0 16px}
.gal-tags{display:flex;flex-wrap:wrap;gap:4px;padding:6px 4px 0}
.gal-tags .yh-hash{font-size:11px;padding:2px 8px}
.yh-hashbox{background:var(--paper);border-radius:var(--r);padding:18px 18px 14px;margin:20px 0 4px}
.yh-hashgroup{display:grid;grid-template-columns:44px 1fr;gap:10px;align-items:start;margin-bottom:12px}
.yh-hashgroup>b{font-size:12px;font-weight:800;color:var(--mute);padding-top:6px}
.yh-hashgroup>div{display:flex;flex-wrap:wrap;gap:6px}
.yh-hashbox .yh-hash{background:#fff;font-size:13px;padding:6px 12px}
.yh-hashbox .yh-hash.is-on{background:var(--k)}
.yh-hashstate{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;font-weight:700;margin:4px 0 0;padding-top:12px;border-top:1px solid var(--line)}
.yh-hashstate button{border:1px solid var(--k);background:#fff;border-radius:999px;padding:5px 14px;font-size:12px;font-weight:700}
.yh-hashphotos{margin:36px 0 8px}
.yh-hashphotos h2{font-size:20px;font-weight:800;margin-bottom:14px}
.yh-hashphotos h2 small{font-size:13px;font-weight:700;color:var(--mute);margin-left:10px}
.yh-hashphotos-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:700px){.yh-hashphotos-grid{grid-template-columns:repeat(4,1fr);gap:12px}}
.yh-hashphotos-grid a{display:block;border-radius:10px;overflow:hidden;background:var(--paper)}
.yh-hashphotos-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.yh-hashphotos-grid a:hover img{transform:scale(1.05)}
.yh-hashphotos-grid span{display:block;font-size:11.5px;line-height:1.6;color:#555;padding:7px 9px 9px}
@media(max-width:599px){.yh-hashgroup{grid-template-columns:1fr;gap:4px}.yh-hashgroup>b{padding-top:0}}
.yh-filter{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;padding:18px 0 0}
.yh-filter button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;font-size:13px;font-weight:700;transition:background .2s,border-color .2s}
.yh-filter button:hover{border-color:var(--k)}
.yh-filter button.is-on{background:var(--k);color:#fff;border-color:var(--k)}
.card[hidden]{display:none}

@media(max-width:699px){
  .yh-tile{padding:13px 16px}
  .yh-tile span{display:none}
  .yh-tile b{font-size:17px}
  .yh-tile::after{width:32px;height:32px}
  .yh-contact-opt{padding:14px 16px;display:grid;grid-template-columns:auto 1fr;align-items:center;column-gap:14px;text-align:left}
  .yh-contact-opt small{grid-row:1/3}
  .yh-contact-opt b{font-size:20px;margin:0}
}

.yh-card[hidden]{display:none}
.yh-legend-meta{display:flex !important;flex-wrap:wrap;gap:6px;margin-top:6px}
.yh-legend-meta em{font-style:normal;font-size:12px;font-weight:800;background:var(--y);color:var(--k);border-radius:999px;padding:2px 10px}
.yh-legend-meta i{font-style:normal;font-size:11.5px;font-weight:800;border:1.5px solid var(--k);border-radius:999px;padding:1px 9px}
.yh-myth{border:2px solid var(--k);border-radius:var(--r);padding:20px 22px 6px;margin:26px 0;position:relative;background:#fff}
.yh-myth b{position:absolute;top:-13px;left:16px;background:var(--k);color:var(--y);font-size:12px;font-weight:900;letter-spacing:.1em;padding:3px 12px;border-radius:999px}
.yh-myth p{font-size:14.5px;line-height:1.95}

/* 構造ページ：4つの要点（切り替え） */
.yh-sec--slate{background:#5d5c63;color:#fff}
.yh-tabs{display:grid;grid-template-columns:1fr;gap:22px;align-items:center}
@media(min-width:900px){.yh-tabs{grid-template-columns:1.15fr 1fr;gap:48px}}
.yh-tabs-stage{position:relative;aspect-ratio:16/9;background:#99989c;border-radius:var(--r);overflow:hidden}
.yh-tabs-stage figure{position:absolute;inset:0;margin:0;display:flex;align-items:center;justify-content:center;padding:4%;opacity:0;transform:scale(1.03);transition:opacity .6s var(--ease),transform .8s var(--ease)}
.yh-tabs-stage figure.is-on{opacity:1;transform:none}
.yh-tabs-stage img{width:100%;height:100%;object-fit:contain}
.yh-tabs-stage figure.is-photo{padding:0}
.yh-tabs-stage figure.is-photo img{object-fit:cover}
.yh-tabs-list{list-style:none;display:grid;gap:6px}
.yh-tabs-list button{width:100%;display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;text-align:left;background:transparent;border:0;color:#fff;padding:12px 6px;border-radius:12px;transition:background .25s}
.yh-tabs-list button:hover{background:rgba(255,255,255,.07)}
.yh-tabs-list i{font-style:normal;width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.4);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;transition:background .25s,color .25s,border-color .25s}
.yh-tabs-list button.is-on i{background:#fff;color:#3a3a3d;border-color:#fff}
.yh-tabs-list b{display:block;font-size:clamp(16px,2vw,19px);font-weight:800;line-height:1.5;padding-top:10px}
.yh-tabs-list small{display:block;font-size:13.5px;line-height:1.9;color:#e4e4e6;max-height:0;overflow:hidden;opacity:0;transition:max-height .5s var(--ease),opacity .4s,margin .3s}
.yh-tabs-list button.is-on small{max-height:160px;opacity:1;margin-top:6px}
/* 構造の比較写真（力のかかり方を重ねて見せる） */
.yh-mono-fig figure{overflow:hidden;padding:0 0 18px}
.yh-mono-fig figcaption{padding:12px 18px 0}
.yh-mono-ph{position:relative}
.yh-fx{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.yh-fx-dot{animation:yhFxDot 1.8s ease-in-out infinite}
.yh-fx-line{animation:yhFxDot 1.8s ease-in-out infinite}
.yh-fx-face{animation:yhFxFace 2.4s ease-in-out infinite}
.yh-fx-spread path{stroke-dasharray:160;animation:yhFxSpread 2.4s ease-out infinite}
@keyframes yhFxDot{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes yhFxFace{0%,100%{opacity:.55}50%{opacity:1}}
@keyframes yhFxSpread{0%{stroke-dashoffset:160;opacity:0}30%{opacity:1}70%,100%{stroke-dashoffset:0;opacity:1}}
@media(prefers-reduced-motion:reduce){.yh-fx *{animation:none!important}}
/* 断熱の層の図（壁・床・天井） */
.yh-ins{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:820px){.yh-ins figure{display:grid;grid-template-columns:1.7fr 1fr;align-items:center}.yh-ins figcaption{padding:24px 28px}}
.yh-ins figure{margin:0;background:#fff;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 1px 0 rgba(0,0,0,.06)}
.yh-ins img{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#f3f1ea;padding:8px}
.yh-ins figcaption{padding:16px 18px 20px}
.yh-ins b{display:block;font-size:18px;font-weight:800;line-height:1.5}
.yh-ins span{display:block;font-size:13.5px;line-height:1.85;color:var(--mute);margin-top:6px}