:root{--bg:#232323;--bg2:#1a1819;--text:#ececec;--muted:#9d9d9d;--line:rgba(255,255,255,.16);--white:#fff}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/2 "Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;letter-spacing:.03em}
a{color:var(--white);text-underline-offset:3px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:780px;margin:0 auto;padding:0 22px}
.wide{max-width:1080px;margin:0 auto;padding:0 22px}

/* ---- ヘッダー ---- */
header.site{position:relative}
.mt{position:absolute;opacity:0;pointer-events:none}
.top{display:flex;justify-content:space-between;align-items:center;padding:16px 20px}
.soc{display:flex;gap:18px}
.soc a{display:block;width:22px;height:22px;color:var(--white)}
.soc svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6}
.burger{display:block;width:34px;height:24px;position:relative;cursor:pointer}
.burger span{position:absolute;left:3px;right:3px;height:1.5px;background:var(--white)}
.burger span:nth-child(1){top:5px}.burger span:nth-child(2){top:11px}.burger span:nth-child(3){top:17px}
.brand{display:block;text-align:center;padding:26px 0 30px}
.brand img{width:210px;margin:0 auto}
header.site nav{display:none;background:var(--bg2);padding:8px 0 22px}
.mt:checked ~ nav{display:block}
header.site nav ul{list-style:none;margin:0;padding:0;text-align:center}
header.site nav a{display:block;color:var(--white);text-decoration:none;font-size:1rem;letter-spacing:.1em;padding:9px 0}
header.site nav a[aria-current]{text-decoration:underline}
@media(min-width:900px){
  .burger{display:none}
  .brand img{width:260px}
  header.site nav{display:block;background:none;padding:0 0 22px}
  header.site nav ul{display:flex;justify-content:center;gap:38px}
  header.site nav a{font-size:.88rem;padding:4px 0}
}

/* ---- ヒーロー・見出し ---- */
.hero{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center 62%}
@media(min-width:900px){.hero{aspect-ratio:21/8}}
main{padding:0 0 70px}
.page-head{padding:44px 0 6px;text-align:center}
.wrap>h1:first-child{margin-top:44px}
h1{font-size:1.2rem;line-height:1.7;margin:0 0 .5em;letter-spacing:.14em;font-weight:600;text-align:center}
h1 small{display:block;font-size:.8rem;letter-spacing:.3em;color:var(--muted);font-weight:400;margin-bottom:.6em}
h2{font-size:1.02rem;margin:3em 0 .8em;padding-bottom:.5em;border-bottom:1px solid var(--line);letter-spacing:.14em;font-weight:600}
h3{font-size:.98rem;margin:1.8em 0 .3em;letter-spacing:.08em}
p{margin:.8em 0}
.center{text-align:center}
.nb{display:inline-block}
.lead{font-size:1rem;color:#f4f4f4}
.muted{color:var(--muted);font-size:.85rem}
.eyebrow{display:block;text-align:center;font-size:1.5rem;letter-spacing:.42em;font-weight:300;margin:56px 0 6px;color:var(--white)}

/* ---- ご案内ストリップ ---- */
.strip{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:34px 0 10px;text-align:center}
.strip>div{padding:20px 6px;border-left:1px solid var(--line)}
.strip>div:first-child{border-left:0}
.strip.two{grid-template-columns:repeat(2,1fr)}
.strip.two .wide{grid-column:1/-1;border-left:0;border-top:1px solid var(--line)}
.strip b{display:block;font-size:.66rem;letter-spacing:.3em;color:var(--muted);font-weight:400;margin-bottom:6px}
.strip span{display:block;font-size:.88rem;line-height:1.6;color:var(--white)}

.repeat{border:1px solid var(--line);margin:0 0 10px;padding:20px 18px;text-align:center}
.repeat b{display:block;font-size:.66rem;letter-spacing:.3em;color:var(--muted);font-weight:400;margin-bottom:6px}
.repeat span{display:block;font-size:.88rem;line-height:1.8;color:var(--white);max-width:34em;margin:0 auto}

/* ---- 特長(丸写真) ---- */
.features{display:grid;grid-template-columns:1fr;gap:10px}
.feature{text-align:center;padding:42px 6px 8px}
.feature h2{border:0;margin:0 0 20px;text-align:center;font-size:1.05rem;letter-spacing:.16em}
.feature img{width:150px;height:150px;border-radius:50%;object-fit:cover;margin:0 auto 24px}
.feature p{max-width:30em;margin:.8em auto;text-align:left;font-size:.9rem}
.feature a{display:inline-block;margin-top:6px;font-weight:700;letter-spacing:.06em}
@media(min-width:900px){.features{grid-template-columns:repeat(3,1fr);gap:34px}.feature p{text-align:left}}

/* ---- 部品 ---- */
.btn{display:inline-block;padding:13px 30px;border-radius:2px;background:var(--white);color:#111;text-decoration:none;font-weight:700;letter-spacing:.12em;font-size:.88rem;margin:6px 8px 6px 0;border:1px solid var(--white)}
.btn.ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55)}
.callout{border:1px solid var(--line);padding:18px 20px;margin:22px 0;background:rgba(255,255,255,.03)}
.callout strong{color:var(--white)}
.card{border:1px solid var(--line);padding:14px 16px;background:rgba(255,255,255,.03)}
.gal{display:grid;grid-template-columns:1fr;gap:14px;margin:26px 0}
@media(min-width:700px){.gal{grid-template-columns:1fr 1fr;align-items:start}}
.gal figure{margin:0}
.gal img{width:100%}
.gal figcaption{font-size:.8rem;color:var(--muted);padding-top:8px}
figure.solo{margin:26px auto;max-width:440px}
figure.solo figcaption{font-size:.8rem;color:var(--muted);padding-top:8px}
dl.facts{display:grid;grid-template-columns:1fr;margin:12px 0;border-top:1px solid var(--line)}
dl.facts dt{color:var(--muted);font-size:.74rem;letter-spacing:.18em;padding-top:14px}
dl.facts dd{margin:0;padding:2px 0 14px;border-bottom:1px solid var(--line)}
@media(min-width:700px){dl.facts{grid-template-columns:11em 1fr}dl.facts dt{padding:14px 0;border-bottom:1px solid var(--line)}dl.facts dd{padding:14px 0}}
.scroll{overflow-x:auto;margin:14px 0}
table.price{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;font-size:.78rem}
table.price th,table.price td{border-bottom:1px solid var(--line);padding:11px 5px;text-align:right;white-space:nowrap}
table.price th:first-child,table.price td:first-child{text-align:left}
table.price thead th{color:var(--muted);font-weight:400;letter-spacing:.1em;font-size:.72rem}
@media(min-width:700px){table.price{font-size:1rem}table.price th,table.price td{padding:12px 14px}}
ol.steps{padding-left:1.3em}
ol.steps li{margin:.7em 0}

/* ---- フッター ---- */
footer.site{background:var(--bg2);padding:64px 20px 44px;text-align:center;color:var(--muted);font-size:.84rem}
.flogo{font-family:"Playfair Display",Georgia,"Times New Roman",serif;font-style:italic;font-size:2.3rem;color:var(--white);letter-spacing:.02em;margin-bottom:26px;display:block;text-decoration:none}
footer.site ul{list-style:none;padding:0;margin:0 0 30px}
footer.site li a{display:inline-block;color:var(--white);font-size:.95rem;padding:7px 0}
footer.site .addr{line-height:1.9;margin:6px auto 24px;max-width:30em}
footer.site .addr a{color:var(--muted)}

/* ---- フォーム ---- */
form label{display:block;margin:16px 0 4px;font-size:.84rem;color:var(--muted)}
form input,form select,form textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:2px;background:var(--bg2);color:var(--text);font:inherit;font-size:16px}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
form button{margin-top:20px;cursor:pointer;font-family:inherit}
.hp{position:absolute;left:-9999px}
#form-msg{margin-top:14px}

/* ---- FAQ検索・質問フォーム ---- */
.sr{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.faq-search{margin:26px 0 8px}
.sinput{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:2px;background:var(--bg2);color:var(--text);font:inherit;font-size:16px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px}
.chip{border:1px solid var(--line);background:transparent;color:var(--text);padding:6px 15px;border-radius:99px;font-size:.82rem;cursor:pointer;font-family:inherit;letter-spacing:.06em}
.chip:hover,.chip:focus{border-color:var(--white)}
.form-msg{margin-top:14px;min-height:1.5em}
.qa[hidden],.faq-cat[hidden]{display:none}

/* ---- Instagramギャラリー ---- */
.igrid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;margin:30px 0 10px}
@media(min-width:700px){.igrid{grid-template-columns:repeat(4,1fr);gap:6px}}
.igrid a{display:block;position:relative;aspect-ratio:1;background:var(--bg2)}
.igrid img{width:100%;height:100%;object-fit:cover}
.igrid a.vid::after{content:"▶";position:absolute;right:8px;top:6px;color:#fff;font-size:.8rem;text-shadow:0 0 4px rgba(0,0,0,.7)}

/* ---- Smile Jewelry(白基調。SJサイトの雰囲気) ---- */
.sj{background:#fff;color:#1b1b1b;padding:42px 0 40px;text-align:center}
.sj-in{max-width:1000px;margin:0 auto;padding:0 18px}
.sj a{color:#111}
.sj-eyebrow{display:block;font-size:.68rem;letter-spacing:.42em;color:#777}
.sj .sj-title{font-family:"Playfair Display",Georgia,"Times New Roman",serif;font-size:1.8rem;font-weight:400;letter-spacing:.12em;text-transform:uppercase;margin:.35em 0 0;padding:0;border:0;text-align:center;color:#111}
.sj-tag{font-family:"Playfair Display",Georgia,serif;font-style:italic;font-size:1.08rem;color:#444;margin:.5em 0 0;letter-spacing:.04em;text-align:center}
.sj-lead{font-size:.95rem;line-height:2;color:#222;margin:1.1em auto 0;max-width:34em}
.sj-photos{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:24px auto 0;max-width:960px}
.sj-photos img{width:100%;aspect-ratio:1;object-fit:cover}
.sj-ai{max-width:960px;margin:6px auto 24px;text-align:right;font-size:.66rem;line-height:1.6;letter-spacing:.06em;color:#8a8a8a}
.sj-note{font-size:.68rem;color:#8a8a8a;margin:0 0 26px;letter-spacing:.06em;text-align:center}
.sj-points{list-style:none;padding:0;margin:0 auto;max-width:960px;display:grid;grid-template-columns:1fr;text-align:center}
.sj-points li{padding:16px 8px;border-top:1px solid var(--sjline,rgba(0,0,0,.12));font-size:.9rem;line-height:1.8}
.sj-points li:last-child{border-bottom:1px solid var(--sjline,rgba(0,0,0,.12))}
.sj-points b{display:block;font-size:.66rem;letter-spacing:.3em;color:#777;font-weight:400;margin-bottom:4px}
.sj-price{font-size:1.15rem;letter-spacing:.08em;margin:28px 0 4px;text-align:center}
.sj-price small{display:block;font-size:.72rem;color:#777;letter-spacing:.06em;margin-top:2px}
.sj .btn{background:#111;color:#fff;border-color:#111}
.sj .btn.ghost{background:transparent;color:#111;border-color:rgba(0,0,0,.45)}
@media(min-width:760px){
  .sj{padding:60px 0 56px}.sj .sj-title{font-size:2.5rem}.sj-photos{gap:10px}
  .sj-points{grid-template-columns:repeat(3,1fr)}
  .sj-points li{border-top:1px solid rgba(0,0,0,.12);border-bottom:1px solid rgba(0,0,0,.12);border-left:1px solid rgba(0,0,0,.12)}
  .sj-points li:first-child{border-left:0}
}
.sj-eyebrow.big{font-size:.74rem;letter-spacing:.2em;line-height:1.8}
.announce{display:block;background:#fff;color:#111;text-align:center;text-decoration:none;font-size:.7rem;letter-spacing:.04em;line-height:1.7;padding:9px 10px}
.announce img{display:inline-block;vertical-align:middle;height:20px;width:auto;margin:0 .7em 0 0}
.sj-titlelogo{display:block;width:min(74%,300px);height:auto;margin:.2em auto 0}
@media(min-width:760px){.sj-titlelogo{width:340px}}
img.sj-flogo{display:inline-block;vertical-align:middle;height:17px;width:auto;margin:0 .4em 0 0}
.sj-foot img.sj-flogo{height:19px;margin:0 .5em 0 0}
.announce u{text-decoration:none;border-bottom:1px solid #111}
.sj-foot{display:block;background:#fff;color:#111;text-align:center;text-decoration:none;font-size:.84rem;letter-spacing:.06em;line-height:1.8;padding:24px 16px;border-top:1px solid rgba(0,0,0,.12)}
.sj-foot small{display:block;font-size:.66rem;letter-spacing:.3em;color:#777;margin-bottom:2px}
/* 白いページ(専用ページ) */
main.light{background:#fff;color:#222;--text:#222;--muted:#777;--line:rgba(0,0,0,.14);--white:#111;--bg2:#f4f4f2}
main.light .lead{color:#111}
main.light .btn{color:#fff}
main.light .btn.ghost{color:#111;border-color:rgba(0,0,0,.45)}
main.light .callout,main.light .card{background:rgba(0,0,0,.025)}
main.light .sj-points li{border-color:rgba(0,0,0,.14)}