/* =====================================================
   Konon Acoustic — style.css
   全ページ共通スタイルシート
   ===================================================== */

/* ── FONTS ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;600;700&family=Noto+Sans+JP:wght@400;500;700&display=swap');

/* ── VARIABLES & RESET ─────────────────────────────── */
:root {
  --navy-deep: #0d1f40;
  --navy:      #1a3f7a;
  --navy-mid:  #1a2744;
  --blue:      #2a5faa;
  --text:      #1a2744;
  --muted:     #5e728f;
  --border:    #d4dcea;
  --bg:        #ffffff;
  --bg-light:  #f4f7fb;
  --green:     #1a7a40;
  --orange:    #c85a0a;
  --serif: 'Noto Serif JP', 'Hiragino Mincho ProN', Georgia, serif;
  --sans:  'Noto Sans JP', 'Hiragino Sans', 'Meiryo', sans-serif;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(26,39,90,0.10);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--text); background: var(--bg); line-height: 1.8; font-size: 16px; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.4; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ── BUTTONS ───────────────────────────────────────── */
.btn {
  display: inline-block; padding: .85rem 2.2rem;
  border-radius: 4px; font-size: .95rem; font-weight: 700;
  font-family: var(--sans); cursor: pointer; transition: all .2s;
  letter-spacing: .04em; border: 2px solid transparent;
}
.btn-primary { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-primary:hover { background: var(--blue); border-color: var(--blue); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-outline-dark { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline-dark:hover { background: var(--navy); color: #fff; }

/* ── NAVIGATION ────────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 3rem; height: 68px;
  background: rgba(13,31,64,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-logo { font-family: var(--serif); font-size: 1.15rem; font-weight: 700; color: #fff; letter-spacing: .12em; }
.nav-logo span { font-size: .7em; font-weight: 400; opacity: .7; display: block; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: rgba(255,255,255,.8); font-size: .875rem; font-weight: 500; letter-spacing: .04em; transition: color .2s; }
.nav-links a:hover, .nav-links .active a { color: #fff; }
.nav-links .nav-cta a { background: var(--navy); color: #fff; padding: .4rem 1.1rem; border-radius: 4px; border: 1px solid rgba(255,255,255,.25); }
.nav-links .nav-cta a:hover { background: var(--blue); }

/* ── PAGE HERO (subpages) ──────────────────────────── */
.page-hero {
  background: linear-gradient(150deg, var(--navy-deep) 0%, #1a3a6b 100%);
  padding: 9rem 3rem 5rem; text-align: center; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 60px;
  background: var(--bg); clip-path: ellipse(55% 100% at 50% 100%);
}
.page-hero-eyebrow { font-size: .75rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: rgba(160,200,255,.7); margin-bottom: 1rem; }
.page-hero h1 { font-size: clamp(1.9rem,4vw,2.8rem); color: #fff; margin-bottom: .8rem; }
.page-hero-sub { color: rgba(190,215,245,.8); font-size: 1rem; max-width: 560px; margin: 0 auto; line-height: 1.9; }

/* ── BREADCRUMB ────────────────────────────────────── */
.breadcrumb { padding: 1.2rem 3rem; background: var(--bg-light); border-bottom: 1px solid var(--border); font-size: .82rem; color: var(--muted); }
.breadcrumb a { color: var(--navy); }
.breadcrumb a:hover { text-decoration: underline; }

/* ── SECTIONS (common) ─────────────────────────────── */
.section { padding: 5.5rem 2rem; }
.section-inner { max-width: 1000px; margin: 0 auto; }
.section-eyebrow { font-size: .75rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--navy); margin-bottom: .8rem; opacity: .7; }
.section-title { font-size: clamp(1.5rem,3vw,2.1rem); color: var(--text); margin-bottom: 1.2rem; line-height: 1.5; }
.section-lead { font-size: 1rem; color: var(--muted); line-height: 1.9; margin-bottom: 3rem; }

/* ── FINAL / EXP CTA ───────────────────────────────── */
.final-cta, .exp-cta {
  background: linear-gradient(135deg, var(--navy-deep) 0%, #1a3a6b 100%);
  padding: 6rem 2rem; text-align: center; position: relative; overflow: hidden;
}
.final-cta::before, .exp-cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(100,160,255,.12), transparent 70%);
}
.final-cta .section-inner, .exp-cta .section-inner { position: relative; z-index: 1; }
.final-cta h2, .exp-cta h2 { font-size: clamp(1.6rem,4vw,2.3rem); color: #fff; margin-bottom: 1rem; }
.final-cta p, .exp-cta p { color: rgba(190,215,245,.8); font-size: 1rem; max-width: 560px; margin: 0 auto 2.5rem; line-height: 1.9; }
.cta-btns, .final-cta-btns, .exp-cta-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ── FOOTER ────────────────────────────────────────── */
.site-footer { background: var(--navy-mid); padding: 3rem 3rem 2rem; color: rgba(255,255,255,.55); }
.footer-inner { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: start; }
.footer-logo { font-family: var(--serif); font-size: 1.1rem; font-weight: 700; color: rgba(255,255,255,.85); letter-spacing: .1em; margin-bottom: .4rem; }
.footer-tagline { font-size: .82rem; }
.footer-links { display: flex; gap: 1.5rem; list-style: none; font-size: .82rem; }
.footer-links a:hover { color: rgba(255,255,255,.85); }
.footer-copy { max-width: 1000px; margin: 2rem auto 0; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.1); font-size: .78rem; text-align: center; }

/* ── HOME (index) ──────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
  background: linear-gradient(150deg, var(--navy-deep) 0%, #1a3a6b 60%, #0d2a5a 100%);
  padding-top: 68px;
}
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-content { position: relative; z-index: 1; text-align: center; padding: 4rem 2rem; max-width: 820px; }
.hero-eyebrow { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .2em; color: rgba(160,200,255,.85); text-transform: uppercase; border: 1px solid rgba(160,200,255,.3); padding: .3rem 1rem; border-radius: 20px; margin-bottom: 2rem; }
.hero h1 { font-size: clamp(2rem,5vw,3.2rem); color: #fff; margin-bottom: 1.5rem; line-height: 1.5; text-shadow: 0 2px 20px rgba(0,0,0,.3); }
.hero h1 em { font-style: normal; background: linear-gradient(120deg,#7ec8ff,#b8a0ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: 1.05rem; color: rgba(190,215,245,.85); margin-bottom: 3rem; max-width: 580px; margin-left: auto; margin-right: auto; line-height: 1.9; }
.hero-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-scroll { position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: .5rem; color: rgba(255,255,255,.4); font-size: .75rem; letter-spacing: .15em; animation: bounce 2.5s ease-in-out infinite; }
.hero-scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, rgba(255,255,255,.4), transparent); }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }
.authority-bar { background: var(--navy-mid); padding: 2.2rem 3rem; display: flex; justify-content: center; align-items: stretch; gap: 0; flex-wrap: wrap; }
.auth-item { text-align: center; padding: .5rem 3rem; border-right: 1px solid rgba(255,255,255,.12); flex: 1; min-width: 200px; }
.auth-item:last-child { border-right: none; }
.auth-label { font-size: .72rem; color: rgba(160,200,255,.65); letter-spacing: .15em; text-transform: uppercase; margin-bottom: .35rem; }
.auth-value { font-size: 1rem; font-weight: 700; color: #fff; font-family: var(--serif); }
.problem { background: var(--bg); }
.problem-cards { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 1.5rem; }
.problem-card { background: var(--bg-light); border: 1px solid var(--border); border-top: 4px solid var(--navy); border-radius: var(--radius); padding: 2rem 1.8rem; transition: box-shadow .2s,transform .2s; }
.problem-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card-icon { width: 44px; height: 44px; border-radius: 50%; background: var(--navy); display: flex; align-items: center; justify-content: center; margin-bottom: 1.2rem; }
.card-icon svg { width: 22px; height: 22px; stroke: #fff; fill: none; }
.card-title { font-family: var(--serif); font-size: 1.15rem; font-weight: 700; color: var(--text); margin-bottom: .6rem; }
.card-sub { font-size: .82rem; font-weight: 700; color: var(--navy); letter-spacing: .05em; margin-bottom: .8rem; opacity: .75; }
.problem-card p { font-size: .92rem; color: var(--muted); line-height: 1.85; }
.card-link { display: inline-block; margin-top: 1.2rem; font-size: .85rem; color: var(--navy); font-weight: 700; border-bottom: 1px solid var(--navy); padding-bottom: 1px; transition: opacity .2s; }
.card-link:hover { opacity: .65; }
.experience-section { background: var(--bg-light); }
.experience-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.experience-visual { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/3; background: var(--navy-deep); position: relative; }
.experience-visual img { width: 100%; height: 100%; object-fit: cover; }
.exp-badge { position: absolute; top: 1rem; left: 1rem; background: rgba(255,255,255,.92); color: var(--navy); font-size: .75rem; font-weight: 700; letter-spacing: .12em; padding: .3rem .8rem; border-radius: 20px; }
.exp-features { list-style: none; margin: 1.8rem 0 2.2rem; display: flex; flex-direction: column; gap: .8rem; }
.exp-features li { display: flex; align-items: flex-start; gap: .7rem; font-size: .95rem; color: var(--muted); }
.exp-check { width: 20px; height: 20px; border-radius: 50%; background: var(--navy); color: #fff; font-size: .7rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px; }
.room-diagram-section { background: var(--bg); }
.room-diagram-wrap { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.room-caption { text-align: center; font-size: .85rem; color: var(--muted); margin-top: 1rem; }
.services { background: var(--bg-light); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(300px,1fr)); gap: 2rem; }
.service-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.5rem 2rem; box-shadow: var(--shadow); transition: transform .2s; }
.service-card:hover { transform: translateY(-3px); }
.service-num { font-size: 2.5rem; font-weight: 700; font-family: var(--serif); color: var(--navy); opacity: .15; line-height: 1; margin-bottom: .5rem; }
.service-title { font-family: var(--serif); font-size: 1.25rem; font-weight: 700; color: var(--text); margin-bottom: 1rem; }
.service-list { list-style: none; display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.8rem; }
.service-list li { font-size: .9rem; color: var(--muted); display: flex; align-items: center; gap: .5rem; }
.service-list li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--navy); flex-shrink: 0; opacity: .5; }

/* ── PROFILE ────────────────────────────────────────── */
.profile-intro-inner { display: grid; grid-template-columns: 1fr 1.6fr; gap: 4rem; align-items: start; }
.profile-photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/5; background: linear-gradient(150deg,var(--navy-deep),#1a3a6b); position: relative; }
.profile-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo-fallback { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; color: rgba(255,255,255,.35); text-align: center; padding: 2rem; }
.photo-fallback svg { margin-bottom: 1rem; opacity: .5; }
.profile-name { font-family: var(--serif); font-size: 1.9rem; font-weight: 700; color: var(--text); margin-bottom: .4rem; line-height: 1.3; }
.profile-name-en { font-size: .85rem; color: var(--muted); letter-spacing: .12em; margin-bottom: 1.5rem; }
.profile-title-badge { display: inline-flex; align-items: center; gap: .5rem; background: var(--navy); color: #fff; font-size: .82rem; font-weight: 700; padding: .35rem 1rem; border-radius: 20px; margin-bottom: 1.8rem; letter-spacing: .05em; }
.profile-intro-text { font-size: .98rem; color: var(--muted); line-height: 2; margin-bottom: 1.2rem; }
.profile-intro-text strong { color: var(--text); }
.profile-quote { border-left: 4px solid var(--navy); padding: 1.2rem 1.5rem; margin: 2rem 0; background: var(--bg-light); border-radius: 0 var(--radius) var(--radius) 0; }
.profile-quote p { font-family: var(--serif); font-size: 1.05rem; color: var(--text); line-height: 1.8; font-style: italic; }
.profile-quote cite { display: block; margin-top: .6rem; font-size: .82rem; color: var(--muted); font-style: normal; }
.timeline { position: relative; padding-left: 2.5rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; margin-bottom: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid var(--border); }
.timeline-item:last-child { border-bottom: none; margin-bottom: 0; }
.timeline-dot { position: absolute; left: -2.9rem; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--navy); border: 2px solid #fff; box-shadow: 0 0 0 3px var(--border); }
.timeline-period { font-size: .78rem; font-weight: 700; letter-spacing: .12em; color: var(--navy); margin-bottom: .4rem; opacity: .7; }
.timeline-title { font-family: var(--serif); font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: .6rem; }
.timeline-body { font-size: .92rem; color: var(--muted); line-height: 1.85; }
.philosophy-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 1.5rem; }
.philosophy-card { background: var(--bg-light); border: 1px solid var(--border); border-top: 3px solid var(--navy); border-radius: var(--radius); padding: 1.8rem; }
.philo-num { font-size: 2.2rem; font-weight: 700; font-family: var(--serif); color: var(--navy); opacity: .12; line-height: 1; margin-bottom: .3rem; }
.philo-title { font-family: var(--serif); font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: .7rem; }
.philosophy-card p { font-size: .9rem; color: var(--muted); line-height: 1.85; }
.room-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2.5rem; }
.room-photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/3; background: linear-gradient(150deg,var(--navy-deep),#1a3a6b); position: relative; }
.room-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.room-photo-label { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top,rgba(13,31,64,.85),transparent); color: rgba(255,255,255,.9); font-size: .82rem; font-weight: 700; padding: 1.5rem 1rem .8rem; letter-spacing: .05em; }
.room-photo-fallback { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; color: rgba(255,255,255,.3); text-align: center; font-size: .82rem; }
.room-specs { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 1rem; }
.spec-item { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem; text-align: center; }
.spec-label { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: .4rem; }
.spec-value { font-family: var(--serif); font-size: 1.05rem; font-weight: 700; color: var(--navy); }

/* ── EXPERIENCE PAGE ────────────────────────────────── */
.exp-intro-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: center; }
.exp-photo { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/3; background: linear-gradient(150deg,var(--navy-deep),#1a3a6b); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.3); font-size: .85rem; text-align: center; position: relative; }
.exp-photo-label { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top,rgba(13,31,64,.85),transparent); color: rgba(255,255,255,.9); font-size: .82rem; font-weight: 700; padding: 1.5rem 1rem .8rem; letter-spacing: .05em; }
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 1.2rem; margin: 2rem 0; }
.feature-list li { display: flex; gap: 1rem; align-items: flex-start; }
.feature-icon { width: 40px; height: 40px; border-radius: 50%; background: var(--navy); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: #fff; font-size: 1rem; }
.feature-title { font-weight: 700; color: var(--text); margin-bottom: .2rem; font-size: .95rem; }
.feature-body { font-size: .88rem; color: var(--muted); }
.rooms-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.room-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.room-img { aspect-ratio: 16/9; background: linear-gradient(150deg,var(--navy-deep),#1a3a6b); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.3); font-size: .82rem; text-align: center; position: relative; }
.room-img-label { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top,rgba(13,31,64,.85),transparent); color: rgba(255,255,255,.9); font-size: .82rem; font-weight: 700; padding: 1.5rem 1rem .7rem; letter-spacing: .05em; }
.room-body { padding: 1.5rem; }
.room-name { font-family: var(--serif); font-size: 1.15rem; font-weight: 700; color: var(--text); margin-bottom: .6rem; }
.room-desc { font-size: .9rem; color: var(--muted); line-height: 1.85; margin-bottom: 1rem; }
.room-tags { display: flex; gap: .5rem; flex-wrap: wrap; }
.room-tag { font-size: .75rem; font-weight: 700; padding: .25rem .7rem; border-radius: 12px; background: rgba(26,63,122,.08); color: var(--navy); border: 1px solid rgba(26,63,122,.2); }
.flow-steps { position: relative; display: flex; flex-direction: column; gap: 0; }
.flow-step { display: grid; grid-template-columns: 80px 1fr; gap: 2rem; align-items: stretch; }
.flow-step-left { display: flex; flex-direction: column; align-items: center; }
.flow-num { width: 52px; height: 52px; border-radius: 50%; background: var(--navy); color: #fff; font-family: var(--serif); font-size: 1.1rem; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.flow-line { width: 2px; flex: 1; background: var(--border); margin: 8px auto; }
.flow-step:last-child .flow-line { display: none; }
.flow-right { padding: 0 0 2.5rem; }
.flow-title { font-family: var(--serif); font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: .5rem; }
.flow-body { font-size: .9rem; color: var(--muted); line-height: 1.85; }
.faq-list { display: flex; flex-direction: column; gap: 1rem; }
.faq-item { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem 1.8rem; }
.faq-q { font-weight: 700; color: var(--text); margin-bottom: .6rem; display: flex; gap: .8rem; align-items: flex-start; }
.faq-q::before { content: 'Q'; width: 24px; height: 24px; background: var(--navy); color: #fff; border-radius: 50%; font-size: .75rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px; }
.faq-a { font-size: .92rem; color: var(--muted); line-height: 1.85; padding-left: 2rem; }
.faq-inner { max-width: 900px; margin: 0 auto; }

/* ── SERVICE PAGE ───────────────────────────────────── */
.service-section { padding: 5.5rem 2rem; }
.service-section:nth-child(even) { background: var(--bg-light); }
.service-section:nth-child(odd) { background: var(--bg); }
.service-inner { max-width: 1000px; margin: 0 auto; }
.service-header { display: flex; align-items: flex-start; gap: 2rem; margin-bottom: 3rem; }
.service-num-big { font-family: var(--serif); font-size: 5rem; font-weight: 700; color: var(--navy); opacity: .1; line-height: 1; flex-shrink: 0; }
.service-label { font-size: .75rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--navy); opacity: .7; margin-bottom: .5rem; }
.service-title-big { font-family: var(--serif); font-size: clamp(1.5rem,3vw,2rem); color: var(--text); margin-bottom: .8rem; }
.service-tagline { font-size: 1rem; color: var(--muted); line-height: 1.9; }
.service-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; margin-top: 2.5rem; }
.service-includes h3, .service-process h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 1.2rem; padding-bottom: .6rem; border-bottom: 2px solid var(--navy); }
.include-list { list-style: none; display: flex; flex-direction: column; gap: .8rem; }
.include-list li { display: flex; gap: .8rem; align-items: flex-start; font-size: .92rem; color: var(--muted); }
.include-list li::before { content: '✓'; color: var(--navy); font-weight: 700; flex-shrink: 0; }
.process-steps { list-style: none; display: flex; flex-direction: column; gap: .8rem; counter-reset: step; }
.process-steps li { counter-increment: step; display: flex; gap: .8rem; align-items: flex-start; font-size: .92rem; color: var(--muted); }
.process-steps li::before { content: counter(step); width: 24px; height: 24px; border-radius: 50%; background: var(--navy); color: #fff; font-size: .75rem; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.price-note { margin-top: 2rem; background: rgba(26,63,122,.05); border: 1px solid rgba(26,63,122,.15); border-radius: var(--radius); padding: 1.2rem 1.5rem; font-size: .9rem; color: var(--muted); line-height: 1.8; }
.price-note strong { color: var(--text); }
.flow-section { background: var(--bg); padding: 5.5rem 2rem; }
.flow-cards { display: grid; grid-template-columns: repeat(auto-fit,minmax(150px,1fr)); gap: 1rem; margin-top: 2rem; }
.flow-card { background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem 1.2rem; text-align: center; position: relative; }
.flow-card:not(:last-child)::after { content: '→'; position: absolute; right: -1rem; top: 50%; transform: translateY(-50%); color: var(--border); font-size: 1.2rem; font-weight: 700; }
.flow-card-num { font-family: var(--serif); font-size: 1.8rem; font-weight: 700; color: var(--navy); opacity: .25; margin-bottom: .3rem; }
.flow-card-title { font-size: .9rem; font-weight: 700; color: var(--text); margin-bottom: .4rem; }
.flow-card-body { font-size: .78rem; color: var(--muted); line-height: 1.7; }

/* ── WORKS PAGE ─────────────────────────────────────── */
.coming-banner { background: rgba(26,63,122,.06); border: 1px dashed rgba(26,63,122,.3); border-radius: var(--radius); padding: 2rem; text-align: center; margin-bottom: 3rem; }
.coming-banner p { font-size: .95rem; color: var(--muted); }
.coming-banner strong { color: var(--navy); }
.works-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(300px,1fr)); gap: 2rem; }
.work-card { background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); position: relative; }
.work-img { aspect-ratio: 4/3; background: linear-gradient(135deg,#1a2744,#1a3f7a); display: flex; flex-direction: column; align-items: center; justify-content: center; color: rgba(255,255,255,.25); font-size: .82rem; text-align: center; position: relative; }
.work-status { position: absolute; top: 1rem; right: 1rem; font-size: .7rem; font-weight: 700; letter-spacing: .1em; padding: .25rem .7rem; border-radius: 12px; }
.status-published { background: var(--navy); color: #fff; }
.status-coming { background: rgba(255,255,255,.15); color: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.25); }
.work-body { padding: 1.5rem; }
.work-category { font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--navy); opacity: .7; margin-bottom: .4rem; }
.work-title { font-family: var(--serif); font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: .5rem; }
.work-desc { font-size: .88rem; color: var(--muted); line-height: 1.8; margin-bottom: 1rem; }
.work-tags { display: flex; gap: .5rem; flex-wrap: wrap; }
.work-tag { font-size: .72rem; font-weight: 700; padding: .2rem .6rem; border-radius: 10px; background: rgba(26,63,122,.08); color: var(--navy); border: 1px solid rgba(26,63,122,.2); }

/* ── CONTACT PAGE ───────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 4rem; align-items: start; }
.contact-form { background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.5rem; box-shadow: var(--shadow); }
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; font-size: .88rem; font-weight: 700; color: var(--text); margin-bottom: .5rem; }
.form-label .required { color: #c42828; margin-left: .3rem; font-size: .8rem; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: .75rem 1rem; border: 1px solid var(--border);
  border-radius: 6px; font-size: .95rem; font-family: var(--sans);
  color: var(--text); background: var(--bg); transition: border-color .2s,box-shadow .2s; outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(26,63,122,.12); }
.form-textarea { resize: vertical; min-height: 140px; line-height: 1.7; }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235e728f' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; }
.form-note { font-size: .8rem; color: var(--muted); margin-top: .4rem; }
.form-submit { width: 100%; padding: 1rem; background: var(--navy); color: #fff; border: none; border-radius: 6px; font-size: 1rem; font-weight: 700; font-family: var(--sans); cursor: pointer; transition: background .2s; letter-spacing: .04em; }
.form-submit:hover { background: var(--blue); }
.form-privacy { font-size: .78rem; color: var(--muted); text-align: center; margin-top: 1rem; line-height: 1.7; }
.aside-card { background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.8rem; margin-bottom: 1.5rem; }
.aside-card:last-child { margin-bottom: 0; }
.aside-title { font-family: var(--serif); font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: .8rem; display: flex; align-items: center; gap: .5rem; }
.aside-title-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center; font-size: .78rem; flex-shrink: 0; }
.aside-body { font-size: .88rem; color: var(--muted); line-height: 1.85; }
.aside-list { list-style: none; display: flex; flex-direction: column; gap: .6rem; font-size: .88rem; color: var(--muted); }
.aside-list li { display: flex; gap: .5rem; align-items: flex-start; }
.aside-list li::before { content: '・'; flex-shrink: 0; }

/* ── ACOUSTICS HUB ──────────────────────────────────── */
.topic-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 1.5rem; }
.topic-card { background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform .2s,box-shadow .2s; display: flex; flex-direction: column; }
.topic-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(26,39,90,.14); }
.topic-card-head { padding: 2rem 1.8rem 1.2rem; background: var(--navy-deep); color: #fff; position: relative; overflow: hidden; }
.topic-card-head::after { content: ''; position: absolute; bottom: -20px; right: -20px; width: 80px; height: 80px; border-radius: 50%; background: rgba(255,255,255,.04); }
.topic-num { font-size: 2.5rem; font-weight: 700; font-family: var(--serif); opacity: .2; line-height: 1; margin-bottom: .3rem; }
.topic-tag { font-size: .7rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase; opacity: .6; margin-bottom: .4rem; }
.topic-title { font-family: var(--serif); font-size: 1.15rem; font-weight: 700; }
.topic-card-body { padding: 1.5rem 1.8rem; flex: 1; }
.topic-desc { font-size: .88rem; color: var(--muted); line-height: 1.85; margin-bottom: 1.2rem; }
.topic-link { display: inline-flex; align-items: center; gap: .4rem; font-size: .85rem; font-weight: 700; color: var(--navy); border-bottom: 1px solid var(--navy); padding-bottom: 1px; transition: opacity .2s; }
.topic-link:hover { opacity: .65; }
.qa-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2rem; }
.qa-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; }
.qa-q { font-size: .95rem; font-weight: 700; color: var(--text); margin-bottom: .6rem; }
.qa-a { font-size: .88rem; color: var(--muted); line-height: 1.85; }

/* ── ARTICLE PAGES ──────────────────────────────────── */
.article { padding: 5rem 2rem 6rem; }
.article-inner { max-width: 760px; margin: 0 auto; }
.article-lead { font-size: 1.08rem; color: var(--muted); line-height: 2; margin-bottom: 3rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border); }
.article h2 { font-size: 1.45rem; color: var(--text); margin: 3rem 0 1rem; }
.article h3 { font-size: 1.1rem; color: var(--text); margin: 2rem 0 .8rem; }
.article p { font-size: .97rem; color: var(--muted); line-height: 1.95; margin-bottom: 1.2rem; }
.article strong { color: var(--text); }
.highlight { background: rgba(26,63,122,.05); border-left: 4px solid var(--navy); border-radius: 0 var(--radius) var(--radius) 0; padding: 1.2rem 1.5rem; margin: 1.5rem 0; }
.highlight p { margin-bottom: 0; }
.warn-box { background: rgba(200,90,10,.05); border-left: 4px solid var(--orange); border-radius: 0 var(--radius) var(--radius) 0; padding: 1.2rem 1.5rem; margin: 1.5rem 0; }
.warn-box p { margin-bottom: 0; color: var(--muted); }
.key-points { display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap: 1rem; margin: 2rem 0; }
.kp { background: var(--bg-light); border: 1px solid var(--border); border-top: 3px solid var(--navy); border-radius: var(--radius); padding: 1.2rem; }
.kp-title { font-family: var(--serif); font-size: .95rem; font-weight: 700; color: var(--text); margin-bottom: .5rem; }
.kp-body { font-size: .85rem; color: var(--muted); line-height: 1.8; }
.figure { margin: 2rem 0; }
.figure img { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); }
.figure-caption { font-size: .82rem; color: var(--muted); margin-top: .7rem; text-align: center; }
.reflection-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin: 2rem 0; }
.rp-card { background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem; }
.rp-title { font-size: .9rem; font-weight: 700; color: var(--text); margin-bottom: .4rem; display: flex; align-items: center; gap: .5rem; }
.rp-badge { width: 20px; height: 20px; border-radius: 50%; background: var(--orange); color: #fff; font-size: .7rem; display: inline-flex; align-items: center; justify-content: center; }
.rp-body { font-size: .85rem; color: var(--muted); line-height: 1.8; }
.rt-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .9rem; }
.rt-table th { background: var(--navy); color: #fff; padding: .8rem 1rem; text-align: left; font-weight: 700; }
.rt-table td { padding: .75rem 1rem; border-bottom: 1px solid var(--border); color: var(--muted); }
.rt-table tr:nth-child(even) td { background: var(--bg-light); }
.rt-table .ideal { color: var(--green); font-weight: 700; }
.rt-table .bad { color: #c42828; }
.cta-inline { background: linear-gradient(135deg,var(--navy-deep),#1a3a6b); border-radius: var(--radius); padding: 2.5rem; text-align: center; margin-top: 3rem; }
.cta-inline h3 { font-size: 1.2rem; color: #fff; margin-bottom: .8rem; }
.cta-inline p { font-size: .92rem; color: rgba(190,215,245,.8); margin-bottom: 1.5rem; line-height: 1.85; }
.article-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border); gap: 1rem; flex-wrap: wrap; }
.article-nav a { font-size: .9rem; font-weight: 700; color: var(--navy); }
.article-nav a:hover { text-decoration: underline; }

/* ── STANDING WAVE PAGE (body.sw-page) ─────────────── */
body.sw-page {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface2: #edf2f8;
  --accent: #1a3f7a;
  background: transparent;
}
body.sw-page .container { max-width: 1000px; margin: 0 auto; padding: 2.5rem 1.5rem 4rem; }
body.sw-page .card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 2rem; margin-bottom: 2rem; box-shadow: 0 2px 16px rgba(26,39,90,.07); }
body.sw-page .card h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1.2rem; margin-top: 0; display: flex; align-items: center; gap: .6rem; color: var(--text); }
body.sw-page .step-badge { display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--accent); color: #fff; font-size: .9rem; font-weight: 800; flex-shrink: 0; }
body.sw-page .desc { color: var(--muted); font-size: .95rem; margin-bottom: 1.2rem; line-height: 1.8; }
body.sw-page .canvas-wrap { position: relative; background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-bottom: 1rem; }
body.sw-page .room-canvas-wrap { position: relative; background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
body.sw-page canvas { display: block; width: 100%; max-width: 100%; }
body.sw-page .legend { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: .8rem; }
body.sw-page .legend-item { display: flex; align-items: center; gap: .4rem; font-size: .85rem; color: var(--muted); }
body.sw-page .legend-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
body.sw-page .legend-line { width: 24px; height: 3px; border-radius: 2px; flex-shrink: 0; }
body.sw-page .controls { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-top: 1rem; }
body.sw-page .ctrl-group { display: flex; align-items: center; gap: .5rem; font-size: .9rem; }
body.sw-page .ctrl-group label { color: var(--muted); white-space: nowrap; }
body.sw-page input[type=range] { -webkit-appearance: none; appearance: none; height: 4px; border-radius: 2px; background: var(--border); outline: none; cursor: pointer; width: 120px; }
body.sw-page input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--accent); cursor: pointer; }
body.sw-page .val-label { min-width: 3rem; font-size: .85rem; color: var(--text); font-variant-numeric: tabular-nums; }
body.sw-page .btn { padding: .4rem 1rem; border-radius: 6px; border: 1px solid var(--border); background: var(--surface2); color: var(--muted); font-size: .9rem; cursor: pointer; transition: background .15s,border-color .15s,color .15s; }
body.sw-page .btn:hover { background: var(--border); color: var(--text); }
body.sw-page .btn.active { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 700; }
body.sw-page .mode-btns { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .6rem; }
body.sw-page .facts { display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap: 1rem; margin-top: 1rem; }
body.sw-page .fact { background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; }
body.sw-page .fact-title { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: .3rem; }
body.sw-page .fact-val { font-size: 1.4rem; font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; }
body.sw-page .fact-unit { font-size: .85rem; color: var(--muted); margin-left: .2rem; }
body.sw-page .fact-sub { font-size: .8rem; color: var(--muted); margin-top: .2rem; }
body.sw-page .na-labels { display: flex; gap: 1.5rem; flex-wrap: wrap; margin-top: .8rem; }
body.sw-page .na-pill { display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .7rem; border-radius: 20px; font-size: .85rem; font-weight: 600; }
body.sw-page .na-pill.node { background: rgba(26,63,122,.08); color: var(--accent); border: 1px solid rgba(26,63,122,.25); }
body.sw-page .na-pill.anti { background: rgba(196,40,40,.08); color: #c42828; border: 1px solid rgba(196,40,40,.25); }
body.sw-page .info-box { background: rgba(26,63,122,.05); border: 1px solid rgba(26,63,122,.18); border-radius: 8px; padding: 1rem 1.2rem; font-size: .9rem; color: var(--muted); margin-top: 1rem; line-height: 1.8; }
body.sw-page .info-box strong { color: var(--text); }
body.sw-page .summary-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap: 1rem; }
body.sw-page .summary-card { background: var(--surface2); border: 1px solid var(--border); border-top: 3px solid var(--accent); border-radius: 8px; padding: 1.2rem; }
body.sw-page .summary-card h3 { font-size: .9rem; color: var(--accent); margin-bottom: .4rem; margin-top: 0; }
body.sw-page .summary-card p { font-size: .85rem; color: var(--muted); line-height: 1.7; margin: 0; }

/* ── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 768px) {
  .site-nav { padding: 0 1.5rem; }
  .nav-links { display: none; }
  .page-hero { padding: 7rem 1.5rem 4rem; }
  .breadcrumb { padding: 1rem 1.5rem; }
  .section, .service-section, .flow-section { padding: 4rem 1.5rem; }
  .authority-bar { padding: 1.5rem 1rem; }
  .auth-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); padding: 1rem; }
  .auth-item:last-child { border-bottom: none; }
  .experience-inner, .exp-intro-grid, .rooms-grid, .room-grid,
  .service-detail-grid, .profile-intro-inner, .contact-grid,
  .qa-grid, .reflection-grid { grid-template-columns: 1fr; gap: 2rem; }
  .service-header { flex-direction: column; gap: 1rem; }
  .service-num-big { font-size: 3rem; }
  .flow-step { grid-template-columns: 60px 1fr; gap: 1rem; }
  .flow-cards { grid-template-columns: 1fr 1fr; }
  .flow-card:not(:last-child)::after { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; gap: 1rem; }
  .article { padding: 4rem 1.5rem; }
  body.sw-page .controls { flex-direction: column; align-items: flex-start; }
}