/*
 * Copyright (c) 2026 VitaHub LLC
 * All Rights Reserved.
 *
 * This source code is proprietary and confidential.
 * Use is permitted only with explicit authorization from VitaHub LLC.
 * See the LICENSE file for details.
 */
/* ============================================================
   style.css — VitaHubCMS Design System
   コーポレートサイト共通スタイル
   方針: 信頼・正確・安全。白基調＋落ち着いたブルー。
   フラット／装飾とグラデは最小限／角丸控えめ／高可読性。
   ============================================================ */

:root{
  /* surfaces & ink (high contrast for readability) */
  --paper:#ffffff;
  --tint:#f3f7fb;          /* light section band */
  --tint-2:#f7fafd;
  --ink:#16314a;           /* headings / strong text */
  --body:#3a4f63;          /* body copy */
  --muted:#5f7488;         /* captions (still AA on white) */
  --line:#e1e8f0;          /* hairlines */
  /* brand — calm medical blue (not neon) */
  --blue:#15639e;
  --blue-h:#0f4d7c;
  --blue-2:#4a90c4;
  --blue-soft:#e9f1f8;
  --blue-soft-2:#f1f6fb;
  --green:#2f8f6e;         /* health accent, used sparingly */
  --green-soft:#e8f3ee;

  /* legacy aliases (inline styles / theme.css reference these) */
  --black:var(--ink);
  --black-soft:#22405b;
  --black-deep:#0f2638;
  --white:#ffffff;
  --off-white:var(--tint);
  --crimson:var(--blue);
  --crimson-h:var(--blue-h);
  --teal:var(--blue-2);
  --teal-h:#3a7bad;
  --body-text:var(--body);
  --border:var(--line);
  --border-dk:var(--line);
  --divider:#edf1f6;

  /* type */
  --font-sans:"Noto Sans JP",system-ui,-apple-system,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;
  --font-display:"Noto Sans JP",system-ui,sans-serif;
  --font-serif:var(--font-display);
  --font-data:"Inter","Noto Sans JP",sans-serif;

  /* shape & motion — subtle radius, flat */
  --radius:10px;
  --radius-sm:8px;
  --radius-lg:12px;
  --shadow-sm:0 1px 2px rgba(22,49,74,.05);
  --shadow-md:0 8px 26px rgba(22,49,74,.08);
  --transition:.22s ease;
  --container:1200px;
  --section-py:clamp(52px,6vw,88px);
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{font-size:17px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font-sans);font-weight:400;font-size:1.02rem;line-height:1.95;
  color:var(--body);background:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
::selection{background:var(--blue);color:#fff}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);font-weight:700;line-height:1.45;letter-spacing:.005em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px}

/* ---------- Sections ---------- */
.section{padding:var(--section-py) 0;position:relative}
.section-light{background:var(--tint)}
.section-tint{background:var(--blue-soft-2)}
.section-strengths{background:var(--paper)}

/* ---------- Section header (left, clear hierarchy) ---------- */
.section-header{max-width:none;margin:0 0 clamp(28px,4vw,44px)}
.section-label{
  font-family:var(--font-data);font-size:.8rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:var(--blue);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;
}
.section-label::before{content:"";width:22px;height:3px;background:var(--blue)}
.section-title{font-size:clamp(1.85rem,3.4vw,2.45rem);letter-spacing:-.005em;color:var(--ink);font-weight:700}
.section-desc{margin-top:16px;max-width:860px;font-size:1.05rem;line-height:1.95;color:var(--body)}
.section-header[style*="center"] .section-label{justify-content:center}

/* ---------- Buttons (flat, subtle radius) ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--radius-sm);font-weight:700;font-size:1rem;
  transition:background var(--transition),color var(--transition),border-color var(--transition)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-h)}
.btn-outline{background:#fff;color:var(--blue);border:1.5px solid var(--blue)}
.btn-outline:hover{background:var(--blue-soft)}
.btn-large{padding:16px 36px}

/* ---------- Header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(10px);-webkit-backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);transition:box-shadow var(--transition)}
.site-header.scrolled{box-shadow:0 2px 16px rgba(22,49,74,.07)}
.header-inner{max-width:1300px;margin:0 auto;padding:0 28px;height:78px;display:flex;align-items:center;justify-content:space-between}
.header-logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:44px;height:44px;border-radius:9px;flex:none;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;font-size:1.3rem;color:#fff;background:var(--blue)}
.logo-img{width:44px;height:44px;border-radius:8px;object-fit:cover}
.logo-text{display:flex;flex-direction:column;line-height:1.18}
.logo-name{font-family:var(--font-display);font-weight:700;font-size:1.1rem;color:var(--ink)}
.logo-sub{font-family:var(--font-data);font-size:.62rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.header-nav ul{display:flex;align-items:center;gap:2px}
.header-nav a{display:inline-block;padding:9px 13px;border-radius:6px;font-size:.96rem;font-weight:500;color:var(--ink);transition:color var(--transition),background var(--transition)}
.header-nav a:hover{color:var(--blue);background:var(--blue-soft)}
.header-nav .nav-cta{background:var(--blue);color:#fff;padding:10px 20px;margin-left:8px;border-radius:var(--radius-sm)}
.header-nav .nav-cta:hover{background:var(--blue-h);color:#fff}
/* 言語スイッチャー（ドロップダウン：JA既定→KO/ENが下に展開） */
.lang-switcher{position:relative;margin-left:8px}
.lang-switcher>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:5px;font-family:var(--font-data);font-size:.74rem;font-weight:700;letter-spacing:.02em;padding:7px 11px;border-radius:6px;background:var(--blue);color:#fff;border:1px solid var(--blue);user-select:none;white-space:nowrap}
.lang-switcher>summary::-webkit-details-marker{display:none}
.lang-switcher>summary::after{content:"\25BE";font-size:.85em;opacity:.9}
.lang-switcher[open]>summary::after{content:"\25B4"}
.lang-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:150px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 28px rgba(16,49,74,.14);padding:6px;z-index:1100;display:flex;flex-direction:column;gap:2px}
.lang-switcher .lang-opt{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:6px;font-size:.85rem;font-weight:500;color:var(--body);background:none;text-decoration:none;white-space:nowrap}
.lang-switcher .lang-opt:hover{background:var(--blue-soft);color:var(--blue)}
.lang-switcher .lang-opt.active{color:var(--blue);font-weight:700}
.hamburger{display:none;width:46px;height:46px;border-radius:8px;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.hamburger span{width:23px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero (2-col: message + photo & data) ---------- */
.hero{position:relative;padding:clamp(132px,15vh,168px) 0 clamp(64px,7vw,96px);background:linear-gradient(180deg,var(--blue-soft-2),#fff 72%);border-bottom:1px solid var(--line)}
.hero-inner{max-width:var(--container);margin:0 auto;padding:0 28px;display:grid;grid-template-columns:1.04fr .96fr;gap:clamp(36px,5vw,64px);align-items:center}
.hero-content{text-align:left}
.hero-eyebrow{display:inline-flex;align-items:center;gap:11px;margin-bottom:22px;
  font-family:var(--font-data);font-size:.82rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--blue)}
.eyebrow-line{width:30px;height:2px;background:var(--blue)}
.hero-title{font-size:clamp(2.2rem,4.6vw,3.4rem);line-height:1.34;letter-spacing:-.005em;color:var(--ink);margin-bottom:24px;font-weight:700}
.hero-title-line{display:block;opacity:0;animation:fadeIn .6s ease forwards}
.hero-subtitle{max-width:560px;font-size:1.1rem;line-height:1.95;color:var(--body)}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:30px}
.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:30px}
.hero-tags span{font-family:var(--font-data);font-size:.8rem;font-weight:500;padding:6px 13px;border-radius:6px;background:#fff;border:1px solid var(--line);color:var(--blue)}
@keyframes fadeIn{to{opacity:1}}

.hero-visual{display:flex;flex-direction:column;gap:14px}
.hero-photo{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--blue-soft);aspect-ratio:4/3}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-photo-ph{height:100%;min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--blue-2);text-align:center;padding:24px}
.hero-photo-ph svg{width:54px;height:54px;opacity:.7}
.hero-photo-ph span{font-size:.86rem;color:var(--muted)}
.hero-data{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.hero-data>div{padding:18px 14px;text-align:center;border-right:1px solid var(--line)}
.hero-data>div:last-child{border-right:none}
.hero-data dt{font-size:.74rem;color:var(--muted);margin-bottom:6px}
.hero-data dd{font-family:var(--font-data);color:var(--ink);display:flex;align-items:baseline;justify-content:center;gap:2px}
.hero-data dd b{font-size:1.5rem;font-weight:700;color:var(--blue);letter-spacing:-.01em}
.hero-data dd span{font-size:.82rem;color:var(--muted)}

/* ---------- Fields band (static, informative) ---------- */
.fields-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0}
.fields-band .container{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.fields-label{font-family:var(--font-data);font-size:.76rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);flex:none}
.fields-list{display:flex;flex-wrap:wrap;gap:8px}
.fields-list li{font-size:.86rem;color:var(--ink);padding:6px 13px;border:1px solid var(--line);border-radius:6px;background:var(--tint-2)}

/* ---------- Strengths ---------- */
.strengths-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.strength-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;transition:box-shadow var(--transition),border-color var(--transition)}
.strength-card:hover{box-shadow:var(--shadow-md);border-color:var(--blue-2)}
.strength-icon{width:54px;height:54px;border-radius:9px;display:flex;align-items:center;justify-content:center;background:var(--blue-soft);color:var(--blue);margin-bottom:18px}
.strength-icon svg{width:28px;height:28px}
.strength-card h3{font-size:1.16rem;margin-bottom:11px;color:var(--ink);line-height:1.5}
.strength-card p{font-size:.95rem;line-height:1.85;color:var(--body)}

/* ---------- Services ---------- */
.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.service-card{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:34px;transition:box-shadow var(--transition),border-color var(--transition)}
.service-card:hover{box-shadow:var(--shadow-md);border-color:var(--blue-2)}
.service-icon{width:54px;height:54px;border-radius:9px;display:flex;align-items:center;justify-content:center;background:var(--blue-soft);color:var(--blue);margin-bottom:18px}
.service-icon svg{width:27px;height:27px}
.service-badge{position:absolute;top:30px;right:30px;font-family:var(--font-data);font-size:.7rem;font-weight:600;letter-spacing:.06em;color:var(--blue);background:var(--blue-soft);padding:5px 11px;border-radius:6px}
.service-title{font-size:1.26rem;margin-bottom:6px;color:var(--ink);line-height:1.5}
.service-subtitle{font-family:var(--font-data);font-size:.82rem;font-weight:600;letter-spacing:.04em;color:var(--blue-2);margin-bottom:14px}
.service-desc{font-size:.98rem;line-height:1.9;color:var(--body)}
.service-features{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:9px}
.service-features li{position:relative;padding-left:26px;font-size:.93rem;color:var(--body)}
.service-features li::before{content:"";position:absolute;left:2px;top:.55em;width:12px;height:12px;border-radius:50%;border:3px solid var(--blue);background:#fff}

/* ---------- Products (reuses .llm-* — flat light cards) ---------- */
.llm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.llm-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:box-shadow var(--transition),border-color var(--transition)}
.llm-thumb{display:flex;align-items:center;justify-content:center;height:260px;margin:-4px 0 16px;border-radius:var(--radius-sm);background:var(--blue-soft-2);border:1px solid var(--line);cursor:zoom-in;padding:12px}
.llm-thumb img{max-width:94%;max-height:94%;width:auto;height:auto;object-fit:contain;mix-blend-mode:multiply}
/* 開発商品カード(Technologyカード踏襲)用サムネ: アイコン位置に配置、クリックで原寸拡大 */
.prod-thumb{width:112px;height:112px;border-radius:9px;display:flex;align-items:center;justify-content:center;background:var(--blue-soft-2);border:1px solid var(--line);margin-bottom:18px;cursor:zoom-in;padding:8px}
.prod-thumb img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;mix-blend-mode:multiply}
/* 囲み数字(①・（1）等)の装飾バッジ */
.num-badge{display:inline-flex;align-items:center;justify-content:center;min-width:1.55em;height:1.55em;padding:0 .2em;margin-right:.35em;border-radius:999px;background:var(--blue);color:#fff;font-family:var(--font-data);font-size:.8em;font-weight:600;line-height:1;vertical-align:.08em}
/* 画像ライトボックス(クリックで原寸拡大) */
.vh-lightbox{position:fixed;inset:0;z-index:1200;display:none;align-items:center;justify-content:center;background:rgba(9,32,36,.84);padding:28px;cursor:zoom-out}
.vh-lightbox.is-open{display:flex}
.vh-lightbox img{max-width:min(1100px,94vw);max-height:90vh;width:auto;height:auto;border-radius:10px;background:#fff;padding:10px;box-shadow:0 18px 60px rgba(0,0,0,.45)}
.vh-lightbox-close{position:absolute;top:16px;right:20px;width:42px;height:42px;border:none;border-radius:50%;background:rgba(255,255,255,.16);color:#fff;font-size:24px;line-height:1;cursor:pointer;transition:background var(--transition)}
.vh-lightbox-close:hover{background:rgba(255,255,255,.3)}
.llm-card:hover{box-shadow:var(--shadow-md);border-color:var(--blue-2)}
.llm-header{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:12px}
.llm-category{display:inline-block;font-family:var(--font-data);font-size:.66rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);background:var(--blue-soft);padding:4px 10px;border-radius:5px;margin-bottom:10px}
.llm-name{font-family:var(--font-data);font-size:1.28rem;font-weight:600;color:var(--ink)}
.llm-provider{display:block;font-size:.82rem;color:var(--muted);margin-top:2px}
.llm-context{text-align:right;flex:none}
.context-label{display:block;font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.context-value{font-family:var(--font-data);font-size:.92rem;color:var(--blue)}
.llm-desc{font-size:.93rem;line-height:1.85;color:var(--body)}
.llm-features{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.llm-tag{font-size:.74rem;padding:4px 11px;border-radius:5px;background:var(--blue-soft);color:var(--blue)}
.llm-usecases{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.usecases-label{font-family:var(--font-data);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:5px}
.llm-usecases p{font-size:.88rem;color:var(--body)}
.products-note{max-width:760px;margin:32px auto 0;padding:16px 20px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--tint-2);font-size:.86rem;line-height:1.8;color:var(--muted);text-align:left}

/* ---------- About ---------- */
.about-layout{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(40px,6vw,80px);align-items:start}
.about-layout--single{grid-template-columns:1fr}
.about-layout--reverse{direction:rtl}
.about-layout--reverse>*{direction:ltr}
.about-dynamic-block{margin-bottom:60px}
.about-dynamic-block--divider{margin-top:60px;padding-top:60px;border-top:1px solid var(--line)}
.about-body{font-size:1.02rem;line-height:2.05;color:var(--body);margin-top:16px}
.about-dynamic-image img,.about-full-image img{border-radius:var(--radius);border:1px solid var(--line);width:100%}
.about-full-image{margin:24px 0}
.about-link-wrap{margin-top:22px}
.about-link{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:600;font-size:.98rem}
.about-link::after{content:"→";transition:transform var(--transition)}
.about-link:hover::after{transform:translateX(4px)}
.company-info-table{margin-top:26px}
.company-info-table dl{border-top:1px solid var(--line)}
.company-info-table dl>div{display:flex;gap:18px;padding:15px 6px;border-bottom:1px solid var(--line)}
.company-info-table dt{flex:none;width:128px;font-weight:600;color:var(--ink);font-size:.95rem}
.company-info-table dd{color:var(--body);font-size:.96rem}

/* data panels (measurement-style readout) */
.about-numbers{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.about-map{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;background:var(--tint)}
.about-map iframe{width:100%;height:100%;border:0;display:block}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;text-align:left}
.stat-num{font-family:var(--font-data);font-size:clamp(2rem,4.4vw,2.7rem);font-weight:700;color:var(--blue);line-height:1;display:inline-flex;align-items:baseline}
.stat-unit{font-size:1rem;margin-left:3px;color:var(--muted)}
.stat-label{display:block;margin-top:12px;font-size:.88rem;color:var(--muted);padding-top:12px;border-top:1px solid var(--line)}
.about-accent-box{margin-top:24px;padding:26px;border-radius:var(--radius);background:var(--blue-soft);border:1px solid var(--line);color:var(--ink)}
.about-accent-box blockquote{font-size:1.02rem;line-height:1.85;color:var(--ink)}
.about-accent-box cite{display:block;margin-top:12px;font-style:normal;font-size:.86rem;color:var(--blue)}

/* ---------- News ---------- */
.news-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column}
.news-item a{display:flex;align-items:center;gap:20px;padding:22px 14px;border-bottom:1px solid var(--line);transition:background var(--transition)}
.news-item a:hover{background:var(--tint)}
.news-meta{display:flex;align-items:center;gap:14px;flex:none}
.news-date{font-family:var(--font-data);font-size:.86rem;color:var(--muted)}
.news-cat{font-size:.74rem;padding:4px 10px;border-radius:5px;background:var(--blue-soft);color:var(--blue)}
.news-title{flex:1;font-size:1.02rem;font-weight:600;color:var(--ink)}
.news-arrow{color:var(--blue);font-size:1.1rem;transition:transform var(--transition)}
.news-item a:hover .news-arrow{transform:translateX(4px)}

/* ---------- Contact (light, white form card) ---------- */
.section-contact{background:var(--tint);position:relative}
.contact-form{position:relative;z-index:2;max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(26px,4vw,44px)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.92rem;font-weight:600;color:var(--ink);margin-bottom:8px}
.required{font-size:.7rem;color:#fff;background:var(--blue);padding:2px 8px;border-radius:5px;margin-left:6px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:#fff;border:1px solid var(--line);color:var(--ink);transition:border-color var(--transition),box-shadow var(--transition)}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#9aacbe}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(21,99,158,.15)}
.form-submit{margin-top:22px;text-align:center}
.privacy-note{font-size:.88rem;color:var(--muted);margin-bottom:18px}
.privacy-note a{color:var(--blue);text-decoration:underline}
.contact-success{max-width:560px;margin:0 auto;text-align:center;padding:46px 30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg)}
.contact-success svg{width:54px;height:54px;color:var(--green);margin:0 auto 18px}
.contact-error{max-width:900px;margin:0 auto 20px;padding:14px 18px;border-radius:var(--radius-sm);background:#fdeaea;border:1px solid #f3c4c4;color:#a82220;font-size:.92rem}

/* ---------- FAQ-page CTA panel (flat) ---------- */
.cta-panel{margin-top:54px;padding:clamp(32px,5vw,48px);text-align:center;border-radius:var(--radius-lg);background:var(--tint);border:1px solid var(--line)}
.cta-eyebrow{font-family:var(--font-data);font-size:.76rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.cta-title{font-family:var(--font-display);font-weight:700;font-size:1.4rem;color:var(--ink);margin-bottom:8px}
.cta-text{font-size:1rem;color:var(--muted);margin-bottom:26px}

/* ---------- Footer (light) ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);color:var(--body)}
.footer-inner{max-width:var(--container);margin:0 auto;padding:64px 28px 30px}
.footer-top{display:grid;grid-template-columns:1fr 3fr;gap:32px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.footer-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-logo .logo-name{color:var(--ink)}
.footer-tagline{font-size:.92rem;line-height:1.8;color:var(--muted);max-width:340px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social-link{width:38px;height:38px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--tint);border:1px solid var(--line);color:var(--blue);transition:background var(--transition),color var(--transition)}
.footer-social-link:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.footer-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.footer-nav-col li{word-break:auto-phrase}
.footer-nav-head{font-family:var(--font-data);font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-bottom:15px}
.footer-nav-col ul{display:flex;flex-direction:column;gap:11px}
.footer-nav-col a,.footer-nav-col li{font-size:.86rem;line-height:1.55;color:var(--muted);transition:color var(--transition)}
.footer-nav-col a:hover{color:var(--blue)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:.86rem;color:var(--muted)}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--blue)}

/* ---------- Back to top ---------- */
.back-to-top{position:fixed;right:28px;bottom:28px;z-index:1100;width:48px;height:48px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:var(--blue);color:#fff;opacity:0;visibility:hidden;transition:opacity var(--transition),background var(--transition)}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{background:var(--blue-h)}
.back-to-top svg{width:22px;height:22px}

/* ---------- AOS reveal (subtle, calm) ---------- */
[data-aos]{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
[data-aos].aos-visible{opacity:1;transform:none}

/* ---------- Static pages ---------- */
.faq-hero,.static-page-header{padding:clamp(128px,15vh,168px) 0 clamp(46px,6vw,68px);background:var(--tint);text-align:center;border-bottom:1px solid var(--line)}
.faq-hero h1,.static-page-header h1{font-size:clamp(2rem,4.2vw,2.9rem);color:var(--ink)}
.faq-desc,.static-page-header p{max-width:640px;margin:14px auto 0;color:var(--muted);font-size:1.02rem;line-height:1.9}
.faq-notice{max-width:760px;margin:24px auto 0;padding:16px 22px;border-radius:var(--radius-sm);background:var(--blue-soft);border:1px solid #cfe0f0;color:var(--body);font-size:.92rem}
.faq-content,.static-page-content{padding:clamp(54px,7vw,88px) 0}
.static-page,.static-page-content{color:var(--body)}
.static-page-content .container{max-width:860px}
.static-page-content h2{font-size:1.4rem;margin:42px 0 16px;color:var(--ink)}
.static-page-content h3{font-size:1.12rem;margin:28px 0 12px;color:var(--ink)}
.static-page-content p,.static-page-content li{font-size:1rem;line-height:1.95;color:var(--body);margin-bottom:12px}
.static-page-content ul{padding-left:22px;list-style:disc}
.static-page-content a{color:var(--blue);text-decoration:underline}
.page-back-link,
.static-page-content a.page-back-link{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;font-size:.95rem;padding:12px 24px;border-radius:var(--radius-sm);margin-bottom:30px;transition:background var(--transition),box-shadow var(--transition)}
.page-back-link:hover,
.static-page-content a.page-back-link:hover{background:var(--blue-h);box-shadow:var(--shadow-md);color:#fff}
/* 本文中のリンク(URL自動リンク・<a href>記述)の視認スタイル */
a.txt-link{color:var(--blue-h);text-decoration:underline;text-underline-offset:3px;font-weight:600;transition:color var(--transition)}
a.txt-link:hover{color:var(--blue)}
.vh-band a.txt-link{color:var(--ink)}
.vh-band a.txt-link:hover{color:#062f36}
.page-date{font-family:var(--font-data);font-size:.86rem;color:var(--muted);margin-bottom:8px}
.faq-group{margin-bottom:38px}
.faq-group-title{font-size:1.24rem;color:var(--ink);margin-bottom:16px;padding-bottom:11px;position:relative}
.faq-group-title::after{content:"";position:absolute;left:0;bottom:0;width:44px;height:3px;background:var(--blue)}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:11px;background:var(--paper);overflow:hidden;transition:border-color var(--transition)}
.faq-item[open]{border-color:var(--blue-2)}
.faq-question{list-style:none;cursor:pointer;padding:20px 24px;font-weight:600;color:var(--ink);font-size:1.04rem;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-question::-webkit-details-marker{display:none}
.faq-question::after{content:"+";font-family:var(--font-data);font-size:1.4rem;color:var(--blue);transition:transform var(--transition);flex:none}
.faq-item[open] .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px 22px;color:var(--body);line-height:1.95;font-size:.98rem}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-visual{max-width:520px}
  .strengths-grid{grid-template-columns:repeat(2,1fr)}
  .llm-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .hamburger{display:flex}
  .header-nav{position:fixed;inset:0;background:rgba(255,255,255,.99);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .25s ease,transform .25s ease,visibility .25s}
  .header-nav.open{opacity:1;visibility:visible;transform:none}
  .header-nav ul{flex-direction:column;gap:4px;width:100%;max-width:320px;padding:0 24px}
  .header-nav li{width:100%}
  .header-nav a{display:block;text-align:center;padding:15px;font-size:1.1rem;width:100%}
  .header-nav .nav-cta{margin:8px 0 0}
  .lang-switcher{margin:14px 0 0;width:100%;display:flex;flex-direction:column;align-items:center}
  .lang-switcher>summary{justify-content:center;min-width:140px}
  .lang-menu{position:static;right:auto;min-width:160px;box-shadow:none;margin-top:8px;border-color:var(--line)}
  .about-layout{grid-template-columns:1fr;gap:34px}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .about-layout--reverse{direction:ltr}
}
@media (max-width:680px){
  .strengths-grid,.services-grid,.llm-grid,.about-numbers{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-nav{grid-template-columns:1fr 1fr}
  .container{padding:0 20px}
  .news-item a{flex-wrap:wrap;gap:10px}
  .fields-band .container{flex-direction:column;align-items:flex-start;gap:12px}
}

/* ---------- A11y ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:3px}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .hero-title-line{opacity:1!important}
  [data-aos]{opacity:1!important;transform:none!important}
}
.goog-te-banner-frame,.skiptranslate{display:none!important}
body{top:0!important}
.goog-te-gadget{font-size:0!important}

/* ============================================================
   主張文言・用語の区別ブロック（検索/AI最適化用の可視セクション）
   helpers.php renderClaimsBlock() / faq.php 検索結果 で使用
   ============================================================ */

/* オンサイト検索（faq.php） */
.site-search{max-width:860px;margin:0 auto 28px;display:flex;gap:8px}
.site-search input[type="search"]{flex:1;padding:12px 16px;border:1.5px solid var(--line);
  border-radius:10px;font-size:1rem;color:var(--ink);background:#fff}
.site-search input[type="search"]:focus{outline:none;border-color:var(--blue);
  box-shadow:0 0 0 3px var(--blue-soft)}
.site-search button{padding:12px 22px;border:none;border-radius:10px;background:var(--blue);
  color:#fff;font-weight:600;cursor:pointer}
.site-search button:hover{background:var(--blue-h)}
.search-summary{max-width:860px;margin:0 auto 16px;color:var(--muted);font-size:.95rem}
.search-results{max-width:860px;margin:0 auto 36px;display:grid;gap:12px}
.search-result{display:block;padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:10px;text-decoration:none;color:inherit;transition:box-shadow var(--transition)}
.search-result:hover{box-shadow:0 4px 18px rgba(21,99,158,.10)}
.search-result .sr-cat{font-family:var(--font-data);font-size:.68rem;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
.search-result h3{font-size:1.05rem;margin:4px 0 6px;color:var(--ink)}
.search-result p{margin:0;color:var(--muted);line-height:1.7;font-size:.93rem}
.search-result mark{background:var(--blue-soft);color:var(--blue-h);padding:0 2px;border-radius:3px}
.search-empty{max-width:860px;margin:0 auto 36px;padding:40px;text-align:center;
  color:var(--muted);border:1px dashed var(--line);border-radius:12px}

/* ============================================================
   キーワード別ランディングページ（lp.php）
   ============================================================ */
.lp-breadcrumb{font-size:.82rem;color:var(--muted);margin-bottom:14px}
.lp-breadcrumb a{color:var(--blue);text-decoration:none}
.lp-breadcrumb a:hover{text-decoration:underline}
.lp-breadcrumb span{margin:0 6px;color:var(--line)}
.lp-title{font-size:clamp(1.8rem,3.6vw,2.6rem);color:var(--ink);font-weight:800;margin:6px 0 16px;line-height:1.4}
.lp-lead{font-size:1.05rem;line-height:1.95;color:var(--body,var(--muted));max-width:760px}
.lp-content{padding:56px 0 72px}
.lp-section{margin-bottom:40px}
.lp-section h2{font-size:1.35rem;color:var(--ink);font-weight:700;margin:0 0 14px;
  padding-bottom:10px;border-bottom:2px solid var(--blue-soft)}
.lp-section > p{font-size:1rem;line-height:2;color:var(--body,#4a5b6b);margin:0}
.lp-section .faq-item{margin-top:10px}
.lp-related{margin:8px 0 40px;padding:22px 24px;background:var(--blue-soft-2);border:1px solid var(--line);border-radius:12px}
.lp-related-label{font-family:var(--font-data);font-size:.72rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--blue);margin:0 0 12px}
.lp-related ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 22px}
.lp-related a{color:var(--ink);text-decoration:none;font-weight:600}
.lp-related a:hover{color:var(--blue)}
.lp-related a span{color:var(--blue)}

/* トップの「キーワード別ご案内」バンド */
.keyword-band{padding:0 0 8px}
.keyword-band .kw-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.kw-card{display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:12px;
  text-decoration:none;color:inherit;transition:box-shadow var(--transition),transform var(--transition)}
.kw-card:hover{box-shadow:0 8px 26px rgba(21,99,158,.10);transform:translateY(-2px)}
.kw-card .kw-key{font-size:1.05rem;font-weight:700;color:var(--ink)}
.kw-card .kw-sub{display:block;margin-top:6px;font-size:.9rem;color:var(--muted);line-height:1.7}
.kw-card .kw-arrow{color:var(--blue);font-weight:700}

/* =========================================================
   VitaHub Theme Layer — HUB(#3dbbc3)
   ベースCMSの上に読み込まれるHUB用テーマ。
   - ブランドトークンを #3dbbc3 系へ上書き(全ページ自動反映)
   - スプラッシュHero / Care Circle / Vision・Futureバンド
   - 画像コピー抑止
   ※ ダークモードはCMS設定(disp_theme_*)でライト固定
========================================================= */
:root{
  /* brand → HUB teal */
  --blue:#3dbbc3;
  --blue-h:#2c97a0;
  --blue-2:#5fd6da;
  --blue-soft:#eaf8f8;
  --blue-soft-2:#f3fbfb;
  --green:#3dbbc3;
  --green-soft:#eaf8f8;
  /* surfaces & ink */
  --ink:#0e3b44;
  --body:#35525a;
  --muted:#5c7a80;
  --line:#dcefef;
  --tint:#f0fafa;
  --tint-2:#f6fcfc;
  /* legacy aliases follow the tokens above automatically */
  --vh-grad: linear-gradient(135deg, #5fd6da 0%, #3dbbc3 55%, #2c97a0 100%);
  --vh-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --vh-navy:#0e3b44;
}

/* ----- 画像コピー抑止(ドラッグ/選択/長押し保存) ----------- */
img{
  -webkit-user-drag:none;
  user-select:none;
  -webkit-user-select:none;
  -webkit-touch-callout:none;
}
.vh-circle-core img{ pointer-events:none; }

/* ----- Hero: VitaHUB スプラッシュ ------------------------- */
.vh-hero{
  position:relative;
  min-height:100svh;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden;
  text-align:center;
  padding:120px 20px 80px;
  background:
    radial-gradient(120% 90% at 82% -8%, #eaf8f8 0%, transparent 58%),
    radial-gradient(95% 85% at 6% 112%, #e2f7f7 0%, transparent 54%),
    #ffffff;
}
.vh-hero-canvas{ position:absolute; inset:0; width:100%; height:100%; opacity:.9; }
.vh-hero-glow{
  position:absolute; top:46%; left:50%;
  width:78vmin; height:78vmin; border-radius:50%;
  transform:translate(-50%,-50%);
  background:radial-gradient(circle, rgba(61,187,195,.16) 0%, transparent 66%);
  pointer-events:none;
}
.vh-hero-inner{ position:relative; z-index:1; max-width:760px; }
.vh-hero-brand{
  font-family:"Outfit","Zen Kaku Gothic New",sans-serif;
  font-weight:300;
  font-size:clamp(44px,10vw,84px);
  letter-spacing:.34em; text-indent:.34em;
  background:var(--vh-grad);
  -webkit-background-clip:text; background-clip:text; color:transparent;
  margin:0 0 10px;
}
.vh-hero-title{
  font-family:"Zen Kaku Gothic New","Noto Sans JP",sans-serif;
  font-weight:700;
  font-size:clamp(24px,5.6vw,44px) !important;
  line-height:1.55; letter-spacing:.04em;
  color:var(--vh-navy);
  margin:0 0 16px;
}
.vh-hero-title .hero-title-line{ display:block; }
.vh-hero-tagline{
  font-family:"Outfit",sans-serif; font-weight:500;
  font-size:clamp(12px,2.6vw,15px);
  letter-spacing:.28em; color:var(--blue);
  margin:0 0 18px;
}
.vh-hero-subtitle{
  font-size:clamp(13.5px,2.8vw,16px);
  color:var(--body); margin:0 auto 30px; max-width:640px;
}
.vh-hero-actions{ justify-content:center; }
.vh-btn-soon{
  background:#fff; color:var(--blue);
  border:1px solid rgba(61,187,195,.5);
  cursor:default; border-radius:999px;
}
.vh-hero-tags{
  display:flex; flex-wrap:wrap; gap:10px; justify-content:center;
  list-style:none; padding:0; margin:30px 0 0;
}
.vh-hero-tags li span{
  display:inline-block;
  font-family:"Outfit",sans-serif; font-size:11.5px; font-weight:500;
  letter-spacing:.08em; color:var(--blue);
  background:var(--blue-soft);
  border:1px solid rgba(61,187,195,.28);
  padding:6px 14px; border-radius:999px;
}
.vh-hero-scroll{
  position:absolute; bottom:26px; left:50%; transform:translateX(-50%);
  font-family:"Outfit",sans-serif; font-size:10.5px; letter-spacing:.3em; color:var(--blue);
}
.vh-hero-scroll::after{
  content:""; display:block; width:1px; height:34px; margin:8px auto 0;
  background:linear-gradient(var(--blue), transparent);
  animation:vhScrollLine 2s var(--vh-ease) infinite;
}
@keyframes vhScrollLine{
  0%{transform:scaleY(0);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  51%{transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

/* ----- Care Circle --------------------------------------- */
.vh-circle{
  position:relative;
  width:min(88vw,520px);
  aspect-ratio:1/1;
  margin:16px auto 34px;
}
.vh-circle-ring{ position:absolute; inset:0; width:100%; height:100%; }
.vh-ring-base{ fill:none; stroke:rgba(61,187,195,.15); stroke-width:2; }
.vh-ring-dash{
  fill:none; stroke:url(#vhRingGrad); stroke-width:2.5;
  stroke-dasharray:10 14; stroke-linecap:round;
}
.vh-ring-rotate{ transform-origin:300px 300px; animation:vhSpin 64s linear infinite; }
.vh-orbit-dot{
  fill:var(--blue-2);
  filter:drop-shadow(0 0 6px rgba(95,214,218,.95));
}
.vh-dot-rotate{ transform-origin:300px 300px; animation:vhSpin 13s linear infinite; }
@keyframes vhSpin{ to{ transform:rotate(360deg); } }

.vh-circle-core{
  position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%);
  width:34%; aspect-ratio:1/1; border-radius:50%;
  background:var(--vh-grad); color:#fff;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  box-shadow:
    0 14px 40px rgba(61,187,195,.4),
    0 0 0 12px rgba(61,187,195,.08),
    0 0 0 24px rgba(61,187,195,.04);
}
.vh-core-name{
  font-family:"Outfit",sans-serif; font-weight:600;
  font-size:clamp(20px,5vw,30px);
  letter-spacing:.18em; text-indent:.18em; line-height:1;
}
.vh-core-sub{
  font-family:"Outfit",sans-serif;
  font-size:clamp(8.5px,2vw,11px); letter-spacing:.26em; opacity:.85; margin-top:4px;
}
.vh-circle-core img{ width:62%; height:auto; object-fit:contain; filter:drop-shadow(0 2px 6px rgba(14,59,68,.18)); }

.vh-circle-nodes{ position:absolute; inset:0; list-style:none; margin:0; padding:0; }
.vh-node{
  --r: calc(min(88vw,520px) / 2 * .885);
  position:absolute; top:50%; left:50%;
  width:88px; height:88px; margin:-44px 0 0 -44px;
  border-radius:50%;
  background:#fff;
  border:1.5px solid rgba(61,187,195,.35);
  box-shadow:0 10px 24px rgba(14,59,68,.1);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  transform:rotate(var(--a)) translate(var(--r)) rotate(calc(-1 * var(--a)));
}
.vh-node-en{ font-family:"Outfit",sans-serif; font-weight:600; font-size:12px; letter-spacing:.05em; color:var(--vh-navy); }
.vh-node-ja{ font-size:10px; color:var(--blue); letter-spacing:.12em; }

.vh-circle-flow{
  display:flex; flex-wrap:wrap; justify-content:center;
  gap:6px 4px; list-style:none; margin:0 0 26px; padding:0;
  font-family:"Outfit",sans-serif; font-weight:500; font-size:12px;
  letter-spacing:.08em; color:var(--vh-navy);
}
.vh-circle-flow li{ display:flex; align-items:center; }
.vh-circle-flow li:not(:last-child)::after{ content:"→"; margin:0 8px; color:var(--blue); }
.vh-carecircle-note{
  text-align:center;
  font-size:clamp(13px,2.6vw,15px); line-height:2.1; color:var(--vh-navy);
  max-width:720px; margin:0 auto;
}

/* ----- Vision / Future バンド(ティール=ボタン色系) ------- */
/* vh-band       : 各種ボタンと同じティール(#3dbbc3)。文字は白(ボタンと同じ組合せ) */
/* vh-band-alt   : ボタン色の薄い色。文字は通常の濃色 */
.vh-band{
  background:
    radial-gradient(110% 130% at 85% 0%, rgba(255,255,255,.18) 0%, transparent 55%),
    radial-gradient(90% 110% at 0% 100%, rgba(24,116,124,.38) 0%, transparent 50%),
    #3dbbc3;
}
.vh-band-alt{
  background:
    radial-gradient(120% 130% at 50% -20%, rgba(61,187,195,.14) 0%, transparent 60%),
    #d7f1f3;
}
.vh-label-light{ color:#e8fbfc !important; }
.vh-band .vh-label-light::before,
.vh-band .vh-label-light::after{ background:#e8fbfc; }
.vh-title-light{ color:#fff !important; line-height:1.6; }
.vh-band-lead{
  color:var(--ink);
  font-size:clamp(14px,2.8vw,16.5px); line-height:2.2;
  text-align:left; max-width:860px; margin:16px 0 0;
}
/* 薄色バンド(vh-band-alt)では文字を濃色に戻す */
.vh-band-alt .vh-label-light{ color:var(--blue-h) !important; }
.vh-band-alt .vh-label-light::before,
.vh-band-alt .vh-label-light::after{ background:var(--blue-h); }
.vh-band-alt .vh-title-light{ color:var(--ink) !important; }
.vh-band-alt .vh-band-lead{ color:var(--body); }

/* ----- Technology カード微調整 ---------------------------- */
#services .service-icon svg{ color:var(--blue); }
#services .service-subtitle:empty{ display:none; }

/* ----- Reduced Motion ------------------------------------ */
@media (prefers-reduced-motion: reduce){
  .vh-ring-rotate, .vh-dot-rotate, .vh-hero-scroll::after{ animation:none; }
  .vh-hero-canvas{ display:none; }
}

/* ----- Tablet & Desktop ---------------------------------- */
@media (min-width:768px){
  .vh-circle{ width:min(70vw,560px); }
  .vh-node{ --r: calc(min(70vw,560px) / 2 * .885); width:104px; height:104px; margin:-52px 0 0 -52px; }
  .vh-node-en{ font-size:13.5px; }
  .vh-node-ja{ font-size:11px; }
}

/* ===== v0.01.01: スプラッシュ×サークル融合ヒーロー / ロゴチップ ===== */
/* ヒーロー内サークル(旧トップと同寸法: モバイル min(70vmin,360px) / PC min(58vmin,420px)) */
.vh-hero{ padding:104px 20px 64px; }
.vh-hero-inner{ display:flex; flex-direction:column; align-items:center; }
.vh-circle--hero{
  width:min(70vmin,360px);
  margin:0 0 26px;
}
.vh-circle--hero .vh-node{
  --r: calc(min(70vmin,360px) / 2 * 0.86);
  width:76px; height:76px; margin:-38px 0 0 -38px;
}
.vh-circle--hero .vh-node-en{ font-size:11px; }
.vh-circle--hero .vh-node-ja{ font-size:9.5px; }
.vh-circle--hero .vh-circle-core{ width:38%; animation:vhBreathe 5.5s ease-in-out infinite; }
@keyframes vhBreathe{
  0%,100%{ transform:translate(-50%,-50%) scale(1); }
  50%{ transform:translate(-50%,-50%) scale(1.035); }
}
.vh-circle-core.has-logo img{ width:66%; height:auto; }
.vh-splash-copy{ max-width:640px; }
.vh-splash-copy > *{ opacity:0; animation:vhRiseIn .9s var(--vh-ease) forwards; }
.vh-splash-copy .vh-hero-tagline{ animation-delay:.18s; }
.vh-splash-copy .vh-hero-subtitle{ animation-delay:.3s; }
.vh-splash-copy .vh-hero-actions{ animation-delay:.42s; }
@keyframes vhRiseIn{ from{ opacity:0; transform:translateY(14px);} to{ opacity:1; transform:none; } }
/* ヒーロー背景画像(設定時のみ)。白オーバーレイで常に明るく保つ */
.vh-hero-bg{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
  opacity:1;
}
.vh-hero-bg::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(rgba(255,255,255,.86), rgba(255,255,255,.92));
}
/* ヘッダー/フッターのロゴ(白ロゴでも視認できるティールチップ) */
.logo-mark--img{
  display:inline-flex; align-items:center; justify-content:center;
  width:40px; height:40px; border-radius:10px;
  background:var(--vh-grad);
  box-shadow:0 4px 12px rgba(61,187,195,.3);
}
.logo-mark--img .logo-img{ width:78%; height:78%; object-fit:contain; display:block; }
@media (min-width:768px){
  .vh-circle--hero{ width:min(58vmin,420px); }
  .vh-circle--hero .vh-node{ --r: calc(min(58vmin,420px) / 2 * 0.86); width:88px; height:88px; margin:-44px 0 0 -44px; }
  .vh-circle--hero .vh-node-en{ font-size:12.5px; }
  .vh-circle--hero .vh-node-ja{ font-size:10px; }
}
@media (prefers-reduced-motion: reduce){
  .vh-circle--hero .vh-circle-core{ animation:none; }
  .vh-splash-copy > *{ opacity:1; animation:none; }
}
/* スクリーンリーダー専用テキスト */
.visually-hidden{
  position:absolute !important; width:1px; height:1px;
  margin:-1px; padding:0; border:0;
  clip:rect(0 0 0 0); clip-path:inset(50%);
  overflow:hidden; white-space:nowrap;
}

/* ===== v0.01.05: セクション背景バリエーション ===== */
.bg-plain{ background:#fff !important; }
.bg-tint{ background:var(--tint) !important; }
/* ティール背景(vh-band)上の汎用見出し・本文色(カスタム/組み込み共通)
   見出しは白(ボタンと同じ組合せ)、本文は可読性のため濃色 */
.vh-band .section-label{ color:#e8fbfc; }
.vh-band .section-label::before, .vh-band .section-label::after{ background:#e8fbfc; }
.vh-band .section-title{ color:#fff; }
.vh-band .section-desc{ color:var(--ink); }
.vh-band .custom-section-body{ color:var(--ink); }
.vh-band .custom-section-body a{ color:var(--ink); text-decoration:underline; }
/* 薄色バンド(vh-band-alt)では通常の濃色文字に戻す */
.vh-band-alt .section-label{ color:var(--blue-h); }
.vh-band-alt .section-label::before, .vh-band-alt .section-label::after{ background:var(--blue-h); }
.vh-band-alt .section-title{ color:var(--ink); }
.vh-band-alt .section-desc{ color:var(--body); }
.vh-band-alt .custom-section-body{ color:var(--body); }
.vh-band-alt .custom-section-body a{ color:var(--blue-h); }