:root{--green:#1f6f68;--mint:#eaf7f1;--cream:#fff8eb;--ink:#1a2729;--muted:#697878;--line:#d8e3dd;--orange:#e99b45;--white:#fff;--shadow:0 22px 60px rgba(31,111,104,.16)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;line-height:1.9;background:#f9fcfa}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:16px 5vw;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:var(--green);color:#fff;font-weight:900}.brand b{display:block}.brand small{display:block;color:var(--muted);font-weight:800}.global-nav{display:flex;gap:10px;flex-wrap:wrap}.global-nav a{padding:9px 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h2{font-size:clamp(28px,4vw,48px);line-height:1.18;margin:0 0 18px}.content-section p{font-size:17px}.answer{background:var(--cream);border:1px solid #f0dfbc}.checksheet{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;background:var(--mint);border-radius:34px}.check-grid{display:grid;gap:10px}.check-grid label{display:grid;grid-template-columns:26px 1fr;gap:10px;align-items:start;background:#fff;border-radius:16px;padding:13px;font-weight:800}.check-grid input{width:20px;height:20px}.check-result{grid-column:1/-1;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}.check-result strong{display:block;font-size:24px}.check-result a{display:none;width:max-content;margin-top:10px}.check-result.is-yellow{background:#fff3c9}.check-result.is-red{background:#ffe1d6}.check-result.is-yellow a,.check-result.is-red a{display:inline-flex;background:var(--green);color:#fff;padding:9px 14px;border-radius:999px;font-weight:900}.faq-section 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/* Kanae Dental inspired soft redesign */
:root{--green:#66b8aa;--mint:#eefbf6;--cream:#fffaf0;--ink:#425756;--muted:#7d8f8c;--line:#d8ebe5;--orange:#f6b66d;--white:#fff;--shadow:0 18px 45px rgba(96,154,145,.16)}
body{background:linear-gradient(180deg,#fff 0%,#f7fffb 46%,#fffaf0 100%);color:var(--ink)}
.site-header{top:14px;width:min(1180px,calc(100% - 28px));margin:14px auto 0;border:1px solid rgba(102,184,170,.24);border-radius:999px;padding:12px 18px;background:rgba(255,255,255,.88);box-shadow:0 12px 34px rgba(102,184,170,.16)}
.brand-mark{width:58px;height:58px;background:linear-gradient(135deg,#98d9cc,#f8cc8c);box-shadow:inset 0 0 0 5px rgba(255,255,255,.72);color:#fff;border-radius:22px}.brand b{color:#365e5b;font-size:16px}.brand small{color:#8aa09d}.global-nav a{background:#fff8e9;border:1px solid #f2dfbe;color:#52736f;border-radius:999px;padding:10px 15px}.global-nav a:hover{background:#eaf8f4}.menu-toggle{background:#78c7ba;color:#fff}
.home-hero{position:relative;overflow:hidden;min-height:auto;margin-top:-92px;padding:160px 6vw 90px;background:radial-gradient(circle at 12% 16%,#fff4dc 0 13%,transparent 14%),radial-gradient(circle at 88% 24%,#dff7f0 0 16%,transparent 17%),linear-gradient(135deg,#fff 0%,#f2fbf7 52%,#fff8ea 100%)}
.home-hero:before{content:"";position:absolute;right:-80px;bottom:-110px;width:360px;height:360px;border-radius:50%;background:rgba(246,182,109,.18)}.home-hero:after{content:"";position:absolute;left:-70px;top:120px;width:220px;height:220px;border-radius:50%;background:rgba(102,184,170,.13)}
.home-hero>div,.home-hero figure{position:relative;z-index:1}.home-hero h1,.article-hero h1{color:#3a5d5a;font-weight:900;letter-spacing:.02em}.home-hero p{color:#536c69}.home-hero img{height:auto;max-height:560px;object-fit:contain;background:#fff;border:12px solid #fff;border-radius:42px;box-shadow:0 25px 60px rgba(102,184,170,.22)}.home-hero figure:before{content:"IMPLANT CARE";position:absolute;left:-16px;top:24px;z-index:2;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;color:#6ab8ad;font-weight:900;font-size:12px;letter-spacing:.08em;box-shadow:0 12px 30px rgba(102,184,170,.16)}
.eyebrow{color:#e7a45c;letter-spacing:.12em}.button{border-radius:999px;box-shadow:0 10px 22px rgba(102,184,170,.12)}.button.primary{background:linear-gradient(135deg,#f5b060,#f8cd87);color:#fff}.button.dark{background:linear-gradient(135deg,#66b8aa,#438e86);color:#fff}.button.light{background:#fff;color:#609b94;border:1px solid #cfe9e2}
.intro-band,.compare,.topic-index,.clinic-cta,.summary-box,.checksheet,.faq-section,.related-section,.content-section{max-width:1160px}.intro-band{background:#fff;border:1px solid var(--line);border-radius:42px;margin-top:48px;box-shadow:var(--shadow)}.intro-band li{border-radius:999px;background:#f7fffb;border-color:#d9eee8;color:#52736f;text-align:center}.authority{max-width:1160px;margin:54px auto;border-radius:44px;background:linear-gradient(135deg,#ebfaf5,#fff9ea);color:#425756;border:1px solid var(--line);box-shadow:var(--shadow)}.authority .eyebrow{color:#e7a45c}.authority-card{background:#fff;border:1px solid #d8ebe5;color:#4c6662;border-radius:34px;box-shadow:0 14px 34px rgba(96,154,145,.12)}
.compare article,.topic-card,.related-card{border-radius:34px;background:#fff;border:1px solid var(--line);box-shadow:0 16px 36px rgba(102,184,170,.12);transition:transform .18s ease,box-shadow .18s ease}.topic-card:hover,.related-card:hover,.compare article:hover{transform:translateY(-3px);box-shadow:0 22px 48px rgba(102,184,170,.18)}.topic-card span,.related-card span{color:#e7a45c}.topic-card strong,.related-card strong{color:#365e5b}.topic-card small{color:#7d8f8c}
.clinic-cta{background:linear-gradient(135deg,#fff8ea,#effbf6);border:1px solid var(--line);box-shadow:var(--shadow)}.clinic-cta img{background:#fff;border:10px solid #fff;box-shadow:0 18px 45px rgba(96,154,145,.14)}
.article-hero{position:relative;overflow:hidden;padding-top:110px;background:linear-gradient(135deg,#effbf6 0%,#fff 56%,#fff7e8 100%);color:#425756}.article-hero:before{content:"";position:absolute;right:-70px;top:-80px;width:260px;height:260px;border-radius:50%;background:rgba(102,184,170,.14)}.article-hero:after{content:"";position:absolute;left:6vw;bottom:-80px;width:160px;height:160px;border-radius:50%;background:rgba(246,182,109,.13)}.article-hero>*{position:relative;z-index:1}.article-hero p{color:#5f7471}.keyword-row span{background:#fff;border:1px solid #d8ebe5;color:#5c8d86}.article-image img{border:10px solid #fff;border-radius:36px;background:#fff}.summary-box,.content-section,.checksheet,.faq-section details{border-radius:34px;border:1px solid var(--line);box-shadow:0 12px 30px rgba(102,184,170,.08)}.summary-box{background:#fff}.content-section{background:rgba(255,255,255,.92)}.answer{background:#fffaf0}.checksheet{background:#edf9f5}.check-grid label{border-radius:20px;border:1px solid #d8ebe5;color:#465f5c}.check-result{border-radius:24px}.check-result.is-yellow{background:#fff4cb}.check-result.is-red{background:#ffe4dc}.site-footer{background:linear-gradient(135deg,#65b8aa,#438e86);border-radius:42px 42px 0 0;color:#fff;margin-top:60px}.site-footer a{color:#fff}
@media(max-width:880px){.site-header{top:8px;width:calc(100% - 16px);margin-top:8px;border-radius:28px;align-items:center}.site-header.is-open{border-radius:28px}.global-nav a{border-radius:18px}.home-hero{margin-top:-82px;padding:142px 18px 54px}.home-hero img{max-height:none;border-width:8px}.home-hero figure:before{left:8px;top:8px}.article-hero{padding-top:84px}.authority{margin:32px 18px}.intro-band{margin-left:18px;margin-right:18px}.clinic-cta{border-radius:28px}.brand-mark{width:48px;height:48px;border-radius:18px}}

/* Square Kanae-style correction */
.site-header{border-radius:0;width:100%;max-width:none;margin:0;top:0;padding:14px 5vw;border-left:0;border-right:0;box-shadow:0 8px 24px rgba(102,184,170,.10)}
.brand-mark{border-radius:0;width:54px;height:54px;box-shadow:inset 0 0 0 4px rgba(255,255,255,.72)}
.global-nav a{border-radius:0}.menu-toggle{border-radius:0}.button{border-radius:0}.home-hero{margin-top:0;padding-top:92px}.home-hero img{border-radius:0;border:10px solid #fff}.home-hero figure:before{border-radius:0;left:0;top:18px}.intro-band{border-radius:0}.intro-band li{border-radius:0}.authority{border-radius:0}.authority-card{border-radius:0}.compare article,.topic-card,.related-card{border-radius:0}.clinic-cta{border-radius:0}.clinic-cta img{border-radius:0}.article-image img{border-radius:0}.summary-box,.content-section,.checksheet,.faq-section details{border-radius:0}.check-grid label{border-radius:0}.check-result{border-radius:0}.site-footer{border-radius:0}.article-hero{padding-top:88px}.article-hero:before,.article-hero:after,.home-hero:before,.home-hero:after{border-radius:0;transform:rotate(8deg)}
@media(max-width:880px){.site-header{width:100%;margin:0;border-radius:0}.site-header.is-open{border-radius:0}.global-nav a{border-radius:0}.home-hero{margin-top:0;padding-top:84px}.home-hero img{border-radius:0}.home-hero figure:before{left:0;top:8px}.authority{margin:32px 18px}.intro-band{margin-left:18px;margin-right:18px}.clinic-cta{border-radius:0}.brand-mark{border-radius:0}}



/* Logo and image quality refinement */
.brand{min-width:260px}.brand-logo{display:block;width:min(300px,42vw);height:auto}.brand-mark{display:none}.article-image{text-align:center}.article-image img{width:auto;max-width:100%;height:auto;margin:0 auto}.article-image.wide img{width:auto;max-width:100%;height:auto}.clinic-cta img{width:auto;max-width:100%;margin:0 auto}.site-footer div:last-child a{display:block}@media(max-width:880px){.brand{min-width:0}.brand-logo{width:min(230px,64vw)}}


/* Image visibility repair */
.home-hero figure{display:block;width:100%;background:#fff;padding:0;border:10px solid #fff;box-shadow:0 25px 60px rgba(102,184,170,.22)}.home-hero img{display:block;width:100%;height:auto;max-height:none;border:0;box-shadow:none;background:transparent}.article-image{background:transparent}.article-image img{display:block;min-height:0}.article-image.wide{max-width:1040px}.article-image.wide img{display:block}.clinic-cta img{display:block;max-height:none}