/* ===== SOL トップページ v6（シンプル・水色・情報は詰める） ===== */
:root{--ink:#1f2d3a;--muted:#5b6774;--accent:#1877b5;--sky:#8fd4f4;--sky2:#3fb1e6;--skyL:#e6f5fc;--bgB:#f4fbfe;--line:#dcecf6;--sun:#f4ae2b;--sh:0 6px 20px rgba(60,160,215,.10);--r:18px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:#fff;color:var(--ink);font-family:"Zen Kaku Gothic New","Hiragino Sans","Noto Sans JP",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--accent)}a:hover{color:#125f91}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--sun);outline-offset:3px}
h1,h2,h3{font-family:"Zen Maru Gothic",sans-serif;margin:0;letter-spacing:.02em}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.sec{padding:72px 0}
.bg-A{background:#fff}.bg-B{background:var(--bgB)}
.sh{display:flex;flex-direction:column;gap:6px;margin-bottom:28px}
.sh .en{font-family:"Zen Maru Gothic",sans-serif;font-weight:900;font-size:13px;letter-spacing:.2em;color:var(--sky2)}
.sh h2{font-size:clamp(22px,2.6vw,30px);line-height:1.45}
.sh p{margin:0;color:var(--muted);font-size:15px}
.note{margin:16px 0 0;font-size:12px;line-height:20px;color:var(--muted)}
.tag{display:inline-block;background:var(--sky);color:var(--ink);font-weight:700;font-size:12px;line-height:1;border-radius:999px;padding:6px 12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border-radius:999px;font-weight:700;text-decoration:none;font-size:15px;transition:transform .15s,filter .15s}
.btn:hover{transform:translateY(-2px)}
.btn-sun{background:var(--sun);color:var(--ink)}.btn-sun:hover{color:var(--ink)}
.btn-sky{background:var(--sky);color:var(--ink)}.btn-sky:hover{color:var(--ink);filter:brightness(1.04)}
.btn-line2{background:#fff;color:var(--accent);border:1.5px solid var(--sky)}
.btn .ar{font-size:14px}
.more{font-weight:700;font-size:14px;text-decoration:none;white-space:nowrap}
.more:hover{text-decoration:underline}
.row-h{display:flex;align-items:flex-end;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;margin-bottom:24px}
.row-h .sh{margin:0}

/* ヘッダー */
.hd{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand img{width:44px;height:44px;object-fit:contain}
.brand b{display:block;font-family:"Zen Maru Gothic",sans-serif;font-size:17px;line-height:22px}
.brand small{display:block;font-size:11px;line-height:14px;color:var(--muted)}
.gnav{display:flex;align-items:center;gap:20px}
.gnav a{text-decoration:none;color:var(--ink);font-weight:700;font-size:14px}
.gnav a:hover{color:var(--accent)}
.gnav .nav-check,.gnav .nav-line{border-radius:999px;padding:9px 16px}
.gnav .nav-check{background:var(--sun)}.gnav .nav-line{background:var(--sky)}
.sp-menu{display:none;position:relative}
.sp-menu summary{list-style:none;width:44px;height:44px;border-radius:12px;background:var(--skyL);display:flex;align-items:center;justify-content:center;cursor:pointer}
.sp-menu summary::-webkit-details-marker{display:none}
.sp-menu nav{position:absolute;right:0;top:52px;width:220px;background:#fff;border-radius:16px;box-shadow:0 14px 36px rgba(60,140,190,.2);padding:8px;display:flex;flex-direction:column}
.sp-menu nav a{padding:11px 14px;text-decoration:none;color:var(--ink);font-weight:700;border-radius:10px;font-size:15px}
.sp-menu nav a:hover{background:var(--skyL)}

/* ヒーロー：写真を背景に */
.hero{position:relative;overflow:hidden;background:var(--skyL)}
.hb{position:absolute;inset:0}
.hb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;animation:hb 36s infinite}
.hb img:nth-child(2){animation-delay:6s}.hb img:nth-child(3){animation-delay:12s}.hb img:nth-child(4){animation-delay:18s}.hb img:nth-child(5){animation-delay:24s}.hb img:nth-child(6){animation-delay:30s}
@keyframes hb{0%{opacity:0;transform:scale(1.06)}3%,16%{opacity:1}20%,100%{opacity:0;transform:scale(1)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 40%,rgba(255,255,255,.35) 68%,rgba(255,255,255,0) 100%)}
.hero .wrap{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;min-height:560px}
.hero-copy{max-width:560px;padding:56px 0 64px;display:flex;flex-direction:column;gap:16px}
.eyebrow{margin:0;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.04em}
.hero h1{font-size:clamp(34px,4.6vw,56px);line-height:1.3;font-weight:900}
.hero h1 em{font-style:normal;color:var(--sky2)}
.lead{margin:0;font-size:16px;line-height:1.9}
.offer{margin:0;display:flex;align-items:center;flex-wrap:wrap;gap:6px 10px;font-weight:700}
.offer s{color:var(--muted);font-weight:500}
.offer b{font-family:"Zen Maru Gothic",sans-serif;font-size:26px;color:var(--accent)}
.offer small{font-size:12px;color:var(--muted)}
.ctas{display:flex;flex-wrap:wrap;gap:10px}
.hero-st{width:300px;flex:none;filter:drop-shadow(0 16px 24px rgba(60,140,190,.25))}

/* 基本情報 */
.info{border-bottom:1px solid var(--line);background:#fff}
.info ul{list-style:none;margin:0;padding:14px 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.info li{display:flex;align-items:center;gap:10px}
.info i{flex:none;width:36px;height:36px;border-radius:10px;background:var(--skyL);color:var(--accent);display:flex;align-items:center;justify-content:center;font-style:normal;font-weight:900;font-size:14px}
.info b{display:block;font-size:14px;line-height:20px}.info small{display:block;font-size:11px;line-height:16px;color:var(--muted)}

/* 年代別 */
.age-tabs{display:flex;gap:8px;margin-bottom:16px}
.age-tabs button{font:inherit;font-weight:700;font-size:15px;min-height:46px;padding:0 22px;border-radius:999px;border:1.5px solid var(--sky);background:#fff;color:var(--accent);cursor:pointer}
.age-tabs button[aria-selected="true"]{background:var(--sky);color:var(--ink)}
.ages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.ages.is-js{display:block}
.age[hidden]{display:none!important}
.age{position:relative;border-radius:var(--r);overflow:hidden;background:var(--skyL) var(--bg) right center/cover no-repeat;border:1px solid var(--line)}
.age::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.94) 52%,rgba(255,255,255,.15) 100%)}
.age-in{position:relative;padding:28px 32px;max-width:600px;display:flex;flex-direction:column;gap:10px}
.age h3{font-size:clamp(20px,2.2vw,26px);line-height:1.45}
.age p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.ticks li{position:relative;padding-left:22px;font-weight:700;font-size:15px}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:12px;border-radius:50%;background:var(--sky)}
.links{display:flex;flex-wrap:wrap;gap:6px}
.links a{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;background:#fff;border:1.5px solid var(--sky);font-weight:700;font-size:13px;text-decoration:none}
.age-st{position:absolute;right:24px;bottom:0;width:170px;filter:drop-shadow(0 10px 18px rgba(60,140,190,.25))}
.ages:not(.is-js) .age-st{display:none}

/* チェック */
#check .ck{max-width:720px}

/* 4ステップ */
.how{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.how li{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh)}
.how figure{margin:0;position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--skyL)}
.how figure img{width:100%;height:100%;object-fit:cover}
.how .no{position:absolute;left:10px;top:10px;width:30px;height:30px;border-radius:50%;background:var(--sky);color:var(--ink);font-weight:900;display:flex;align-items:center;justify-content:center;font-size:14px}
.how h3{font-size:18px;padding:12px 16px 2px}
.how p{margin:0;padding:0 16px 16px;font-size:14px;line-height:1.75;color:var(--muted)}
.posture{position:relative;width:100%;height:100%}
.posture svg{position:absolute;inset:0;width:100%;height:100%}
.posture .ln{stroke-dasharray:8 8;animation:dash 2.4s linear infinite}
@keyframes dash{to{stroke-dashoffset:-32}}

/* 症状 */
.sym{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.sym a{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px 16px 0 10px;text-decoration:none;color:var(--ink);box-shadow:var(--sh);transition:transform .2s;min-height:104px}
.sym a:hover{transform:translateY(-3px);color:var(--ink)}
.sym img{width:72px;align-self:flex-end;flex:none}
.sym span{padding-bottom:10px}
.sym b{display:block;font-family:"Zen Maru Gothic",sans-serif;font-size:17px;line-height:1.4}
.sym small{display:block;font-size:13px;color:var(--muted);line-height:1.6}
.sym a::after{content:"→";margin-left:auto;color:var(--accent);font-weight:700;padding-bottom:10px}

/* 院内 */
.gal{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:180px 180px;gap:10px}
.gal figure{margin:0;position:relative;border-radius:var(--r);overflow:hidden}
.gal figure:first-child{grid-row:span 2}
.gal figure:nth-child(4){grid-column:span 2}
.gal img{width:100%;height:100%;object-fit:cover}
.gal figcaption{position:absolute;left:10px;bottom:10px;background:rgba(255,255,255,.92);border-radius:8px;padding:3px 10px;font-size:12px;font-weight:700}

/* 料金 */
.price{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:880px}
.pc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--sh)}
.pc.first{background:var(--skyL)}
.pc h3{font-size:18px}
.pc .tag{align-self:flex-start;background:var(--sun)}
.yen{margin:0;font-family:"Zen Maru Gothic",sans-serif;font-weight:900;font-size:44px;line-height:1.1;color:var(--accent)}
.yen small{font-size:16px}.yen s{font-size:15px;color:var(--muted);font-weight:500;margin-right:6px}
.pc ol{margin:4px 0 0;padding:12px 14px 12px 2em;background:#fff;border-radius:12px;font-size:13px;line-height:1.8}
.pc p{margin:0;font-size:14px;color:var(--muted)}
.pc .btn{margin-top:auto;align-self:flex-start}

/* 声 */
.voices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.voices figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;box-shadow:var(--sh);display:flex;flex-direction:column;gap:8px}
.voices .tag{align-self:flex-start;background:var(--skyL);color:var(--accent)}
.voices blockquote{margin:0;font-size:15px;line-height:1.85}
.voices figcaption{font-weight:700;font-size:14px}

/* スタッフ */
.staff{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:center}
.staff-img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 20%;border-radius:var(--r)}
.staff .sh{margin-bottom:12px}
.staff .nm{margin:0 0 8px;font-family:"Zen Maru Gothic",sans-serif;font-weight:900;font-size:22px}
.staff .nm small{display:block;font-family:"Zen Kaku Gothic New",sans-serif;font-weight:500;font-size:12px;color:var(--muted)}
.staff p{margin:0}

/* ブログ（前回の形式を改良） */
.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.bcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:var(--sh);transition:transform .2s}
.bcard:hover{transform:translateY(-3px);color:var(--ink)}
.bcard img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}
.bcard .meta{display:flex;align-items:center;gap:8px;padding:12px 16px 0;font-size:12px;color:var(--muted)}
.bcard .cat{background:var(--skyL);color:var(--accent);font-weight:700;border-radius:999px;padding:2px 10px}
.bcard b{padding:6px 16px 16px;font-size:15px;line-height:1.6}

/* Instagram（前回の形式を改良） */
.ig{min-height:160px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px;box-shadow:var(--sh)}

/* FAQ */
.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-items:start}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 18px}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;min-height:58px;font-weight:700;font-size:15px;padding:8px 0}
.faq summary::-webkit-details-marker{display:none}
.faq .q{flex:none;width:28px;height:28px;border-radius:50%;background:var(--sky);display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:900}
.faq .pl{margin-left:auto;color:var(--accent);font-size:20px;transition:transform .2s}
.faq details[open] .pl{transform:rotate(45deg)}
.faq details p{margin:0;padding:0 0 16px 40px;font-size:14px;line-height:1.8;color:var(--muted)}

/* アクセス */
.access{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;align-items:stretch}
.access dl{margin:0;display:grid;grid-template-columns:4.5em minmax(0,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:6px 20px;font-size:14px}
.access dt,.access dd{padding:11px 0;border-bottom:1px solid var(--line)}
.access dt{font-weight:700;color:var(--accent)}.access dd{margin:0}
.access dl>:nth-last-child(-n+2){border-bottom:0}
.access iframe{width:100%;height:100%;min-height:300px;border:0;border-radius:var(--r);background:var(--skyL)}

/* 締め */
.final{position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(255,255,255,.96),rgba(255,255,255,.88) 55%,rgba(230,245,252,.4)),url(/images/treatment-back-smile.jpg) center/cover}
.final .wrap{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}
.final .wrap>div{padding:56px 0}
.final h2{font-size:clamp(24px,3vw,34px);line-height:1.45;margin-bottom:10px}
.final h2 em{font-style:normal;color:var(--sky2)}
.final p{margin:0 0 18px;color:var(--muted)}
.final-st{width:200px;flex:none}

/* フッター */
.ft{background:var(--bgB);border-top:1px solid var(--line);padding:32px 0 24px}
.ft .copy{margin:16px 0 0;font-size:12px;line-height:20px;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 12px}
.ft .copy b{color:var(--ink)}
.ft .copy span{margin-left:auto}

/* スマホ固定バー */
.sp-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:40;background:#fff;border-top:1px solid var(--line);padding:8px;gap:8px}
.sp-bar a{flex:1 1 0;min-height:50px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;text-decoration:none;font-size:14px}
.sp-bar .t{flex:0 0 50px;border:1.5px solid var(--sky);color:var(--accent)}
.sp-bar .c{background:var(--sun);color:var(--ink)}
.sp-bar .l{background:var(--sky);color:var(--ink)}

@media (max-width:960px){
 .gnav>a:not(.nav-check):not(.nav-line){display:none}
 .sp-menu{display:block}
 .how{grid-template-columns:repeat(2,minmax(0,1fr))}
 .sym{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
 .sec{padding:48px 0}
 .wrap{padding:0 16px}
 .sh{margin-bottom:20px}
 .gnav{display:none}
 .hero::after{background:linear-gradient(180deg,rgba(255,255,255,.86),rgba(255,255,255,.94))}
 .hero .wrap{min-height:0}
 .hero-copy{padding:32px 0 36px;gap:14px}
 .hero-st{display:none}
 .lead{font-size:15px}
 .ctas .btn{flex:1 1 100%}
 .info ul{grid-template-columns:repeat(2,minmax(0,1fr));padding:12px 0;gap:10px}
 .age-tabs button{flex:1 1 0;padding:0 8px}
 .age{background-position:center top;background-size:100% auto}
 .age::before{background:linear-gradient(180deg,rgba(255,255,255,.15) 0px,#fff 150px)}
 .age-in{padding:150px 18px 22px}
 .age-st{width:96px;top:24px;bottom:auto;right:12px}
 .how{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
 .how h3{font-size:16px;padding:10px 12px 0}
 .how p{font-size:12.5px;padding:0 12px 12px;line-height:1.7}
 .sym{grid-template-columns:1fr;gap:8px}
 .sym a{min-height:84px}
 .sym img{width:58px}
 .gal{grid-template-columns:1fr 1fr;grid-template-rows:170px 120px 120px}
 .gal figure:first-child{grid-row:auto;grid-column:span 2}
 .gal figure:nth-child(4){grid-column:span 2}
 .price,.voices,.faq,.access{grid-template-columns:1fr}
 .staff{grid-template-columns:120px minmax(0,1fr);gap:16px;align-items:start}
 .staff-img{border-radius:14px}
 .staff .nm{font-size:19px}
 .blog-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:10px;margin:0 -16px;padding:0 16px 6px}
 .bcard{flex:0 0 78%;scroll-snap-align:start}
 .final .wrap>div{padding:40px 0}
 .final-st{display:none}
 .ft .copy span{margin-left:0}
 .sp-bar{display:flex}
 body{padding-bottom:68px}
 .fx-fab{display:none}
}
@media (prefers-reduced-motion:reduce){.hb img{animation:none!important}.hb img:first-child{opacity:1}.posture .ln{animation:none}}
.sh .en{align-self:flex-start}
.sh .en.fx-en::after{display:none}
.age .tag,.pc .tag,.voices .tag{align-self:flex-start}
.pc .yen{font-size:44px;color:var(--accent);font-family:"Zen Maru Gothic",sans-serif;font-weight:900;line-height:1.1}
.pc .yen s{font-size:15px}
@media (max-width:760px){.age-st{width:74px;top:14px}.sym a{min-height:72px;padding-top:6px}.sym img{width:50px}}