/* ==========================================================
   K.T.K Website Design — static HTML/CSS mockup
   ========================================================== */
:root {
  --base: #fcfbf8;
  --surface: #fff;
  --warm: #f6f1e8;
  --warm-2: #efe6d8;
  --text: #30271f;
  --muted: #6e6459;
  --gold: #ad7727;
  --gold-light: #c7984c;
  --deep: #4c361d;
  --line: #e5d7c3;
  --shadow: 0 16px 38px rgba(54, 37, 18, .08);
  --serif: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--base);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.8;
  letter-spacing: .04em;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: .25s ease; }
p { margin: 0; }
.container { width: min(1280px, calc(100% - 72px)); margin-inline: auto; }
.section { padding: clamp(58px, 7vw, 92px) 0; }
.section-kicker {
  font-family: var(--serif); text-transform: uppercase; color: var(--gold);
  font-size: .82rem; letter-spacing: .18em; margin-bottom: 18px;
}
.section-title { text-align: center; margin-bottom: 42px; }
.section-title p {
  font-size: .75rem; letter-spacing: .36em; color: var(--gold); margin-bottom: 10px;
}
.section-title h2 {
  font-family: var(--serif); font-size: clamp(1.6rem, 2vw, 2rem);
  font-weight: 500; margin: 0; display: inline-flex; align-items: center; gap: 24px;
}
.section-title h2::before, .section-title h2::after {
  content: ""; width: 58px; height: 1px; background: var(--gold-light);
}
.section-title.align-left { text-align: left; margin-bottom: 44px; }
.section-title.align-left h2::before { display:none; }

/* Header */
.site-header {
  background: rgba(255,255,255,.97); height: 82px; border-bottom: 1px solid #eee7dd;
  display:flex; align-items:center; position: sticky; top: 0; z-index: 30;
}
.header-inner { display:flex; align-items:center; justify-content:space-between; height:100%; }
.brand { display:flex; align-items:center; gap:16px; }
.brand-mark { width:45px; height:45px; fill:none; stroke:var(--gold); stroke-width:1.8; stroke-linejoin:round; }
.brand-text { display:flex; flex-direction:column; line-height:1.45; }
.brand-text strong { font-family: var(--serif); font-size:1.42rem; letter-spacing:.15em; font-weight:600; }
.brand-text small { font-size:.68rem; color: var(--muted); letter-spacing:.15em; }
.global-nav { display:flex; align-items:center; gap:42px; font-size:.9rem; font-family:var(--serif); }
.global-nav > a:not(.header-cta):hover { color:var(--gold); }
.header-cta {
  height:52px; display:inline-flex; align-items:center; gap:10px; padding:0 25px;
  background:linear-gradient(135deg,#b57b20,#81551e); color:#fff; border-radius:3px;
  box-shadow: 0 9px 22px rgba(117,72,21,.18);
}
.header-cta:hover, .button-primary:hover, .mail-button:hover { transform:translateY(-2px); filter:brightness(1.05); }
.header-cta svg, .mail-button svg { width:20px; fill:none; stroke:currentColor; stroke-width:1.5; }
.nav-toggle { display:none; border:0; background:transparent; width:44px; height:42px; padding:9px; }
.nav-toggle span { display:block; height:2px; background:var(--deep); margin:7px 0; transition:.25s; }

/* Hero */
.hero {
  max-width: 1440px; margin: 0 auto; min-height: 560px; display:grid;
  grid-template-columns: minmax(420px, 48%) minmax(460px, 52%);
  background: #f6f0e7;
}
.hero-copy {
  padding: clamp(58px, 6vw, 83px) clamp(44px, 5vw, 76px);
  position: relative;
}
.hero-copy::after {
  content:""; position:absolute; inset:42px 24px 42px 38px;
  border:1px solid rgba(173,119,39,.12); pointer-events:none;
}
.eyebrow {
  position:relative; z-index:1; font-size:.72rem; color:var(--gold);
  letter-spacing:.24em; margin-bottom:22px;
}
.hero h1 {
  position:relative; z-index:1; margin:0 0 23px; font-family:var(--serif);
  font-weight:500; font-size:clamp(2.15rem, 3.5vw, 3.1rem); letter-spacing:.12em; line-height:1.7;
}
.hero h1 em { color:var(--gold); font-style:normal; }
.hero-lead {
  position:relative; z-index:1; color:var(--muted); font-size:.95rem;
  line-height:2; margin-bottom:35px;
}
.hero-buttons { position:relative; z-index:1; display:flex; gap:14px; }
.button {
  font-family:var(--serif); font-size:.92rem; min-height:54px; padding:0 27px;
  display:inline-flex; align-items:center; justify-content:center; gap:14px; border-radius:2px;
}
.button-primary {
  color:#fff; background:linear-gradient(135deg,#b57b20,#81551e);
  box-shadow: 0 13px 27px rgba(117,72,21,.16);
}
.button-outline { border:1px solid var(--gold-light); color:var(--gold); background:#fff9; }
.button-outline:hover { background: var(--gold); color:#fff; }
.hero-photo { overflow:hidden; }
.hero-photo img { width:100%; height:100%; min-height:560px; object-fit:cover; object-position:center center; }

/* Belief */
.belief { background:var(--surface); }
.belief-grid { display:grid; grid-template-columns: .98fr 1.32fr; gap:56px; align-items:center; }
.belief-message h2 {
  margin:0 0 25px; font-family:var(--serif); font-size:clamp(1.55rem,2.2vw,2rem);
  font-weight:500; line-height:2; letter-spacing:.1em;
}
.belief-message > p:last-child { color:var(--muted); font-size:.9rem; }
.value-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
.value-card {
  background: linear-gradient(180deg, #fff, #fbf7f1); border:1px solid #f2ebe1;
  min-height:255px; padding:29px 22px 22px; text-align:center;
}
.value-card h3 {
  margin:17px 0 10px; font-family:var(--serif); font-size:1.14rem; font-weight:500;
}
.value-card p { font-size:.76rem; color:var(--muted); line-height:2; }
.line-icon {
  width:53px; height:53px; margin:auto; border:2px solid var(--gold-light); border-radius:50%;
  color:var(--gold); font-size:2rem; line-height:49px; font-family:var(--serif);
}
.roller-icon, .shield-icon { position:relative; font-size:0; }
.roller-icon::before { content:""; position:absolute; width:25px; height:12px; border:2px solid var(--gold); top:14px; left:12px; border-radius:2px; }
.roller-icon::after { content:""; position:absolute; width:2px; height:20px; background:var(--gold); left:28px; top:25px; transform:rotate(16deg); }
.shield-icon::before { content:""; position:absolute; inset:10px 14px; border:2px solid var(--gold); clip-path:polygon(50% 0,100% 15%,94% 63%,50% 100%,6% 63%,0 15%); }

/* Services */
.services { background:#fff; border-top:1px solid #f3eee7; }
.service-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.service-card {
  background:#fff; border:1px solid var(--line); overflow:hidden;
  transition: transform .25s, box-shadow .25s;
}
.service-card:hover { transform:translateY(-5px); box-shadow:var(--shadow); }
.service-card img { width:100%; aspect-ratio:1.55; object-fit:cover; }
.card-body { padding:24px 24px 20px; text-align:center; }
.card-body h3 { font-family:var(--serif); font-size:1.25rem; font-weight:500; margin:0 0 13px; letter-spacing:.13em; }
.card-body p { text-align:left; color:var(--muted); font-size:.82rem; line-height:2; min-height:98px; }
.card-body a {
  display:inline-flex; gap:14px; align-items:center; margin-top:19px;
  font-family:var(--serif); color:var(--gold); font-size:.82rem;
}
.card-body a span { font-size:1.3rem; }

/* Banner */
.brand-banner { height:184px; position:relative; overflow:hidden; }
.brand-banner img { width:100%; height:100%; object-fit:cover; filter:brightness(.58) saturate(.84); }
.brand-banner::after {
  content:""; position:absolute; inset:0; background:linear-gradient(90deg,rgba(31,23,15,.74),rgba(31,23,15,.17));
}
.brand-banner-copy {
  position:absolute; z-index:1; inset:0; color:#fff; display:flex; justify-content:center;
  flex-direction:column;
}
.brand-banner-copy h2 { font-family:var(--serif); font-size:2.1rem; font-weight:500; letter-spacing:.18em; margin:0 0 10px; }
.brand-banner-copy p { font-family:var(--serif); font-size:.93rem; letter-spacing:.12em; opacity:.86; }

/* Works */
.works { background:#fff; }
.works-layout { display:grid; grid-template-columns:240px 1fr; gap:46px; align-items:start; }
.works-intro h2 { font-family:var(--serif); font-weight:500; font-size:1.85rem; margin:0 0 20px; letter-spacing:.14em; }
.works-intro p:not(.section-kicker) { color:var(--muted); font-size:.85rem; margin-bottom:28px; }
.works-intro .button { padding:0 19px; font-size:.83rem; }
.works-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.work-card { border:1px solid #f0e8dd; background:#fff; text-align:center; padding-bottom:17px; }
.work-card img { width:100%; aspect-ratio:1.22; object-fit:cover; margin-bottom:14px; }
.work-card h3 { margin:0 0 3px; font-family:var(--serif); font-size:.97rem; font-weight:500; letter-spacing:.1em; }
.work-card p { color:var(--muted); font-size:.74rem; }

/* Process */
.process { background:var(--base); border-block:1px solid #f0e9de; padding-block:65px; }
.process-steps {
  list-style:none; display:grid; grid-template-columns:repeat(5,1fr); gap:28px; margin:0; padding:0;
}
.process-steps li { position:relative; text-align:center; }
.process-steps li:not(:last-child)::after {
  content:"›"; position:absolute; right:-19px; top:63px; color:var(--gold); font-size:2rem; font-family:var(--serif);
}
.step { font-family:var(--serif); font-size:.76rem; color:var(--gold); display:block; margin-bottom:13px; }
.circle {
  width:78px; height:78px; border:1px solid var(--gold-light); border-radius:50%;
  color:var(--gold); display:flex; justify-content:center; align-items:center; margin:0 auto 17px;
  font-family:var(--serif); font-size:1.8rem;
}
.process-steps h3 { font-family:var(--serif); font-weight:500; font-size:.97rem; margin:0 0 8px; }
.process-steps p { color:var(--muted); font-size:.75rem; line-height:1.8; }

/* Information */
.information { background:#fff; }
.info-grid { display:grid; grid-template-columns: .94fr 1.04fr 1.08fr; gap:35px; }
.mini-title { display:flex; align-items:baseline; gap:14px; margin-bottom:24px; }
.mini-title h2 { font-family:var(--serif); font-size:1.45rem; font-weight:500; margin:0; letter-spacing:.11em; }
.mini-title span { color:var(--gold); font-family:var(--serif); font-size:.8rem; }
.voice-panel blockquote {
  margin:0 0 13px; background:var(--base); border:1px solid #f2ebe0; padding:18px 20px 16px;
}
.voice-panel blockquote p { font-size:.8rem; line-height:1.95; color:var(--muted); }
.voice-panel cite { display:block; font-style:normal; font-family:var(--serif); font-size:.73rem; margin-top:8px; color:var(--gold); }
.company-panel dl { margin:0; border-top:1px solid var(--line); }
.company-panel dl div { display:grid; grid-template-columns:82px 1fr; gap:14px; border-bottom:1px solid var(--line); padding:9px 0; font-size:.78rem; }
.company-panel dt { color:var(--muted); }
.company-panel dd { margin:0; }
.area-panel > p { font-size:.83rem; color:var(--muted); margin-bottom:14px; }
.area-map { width:100%; height:auto; }
.area-map path:first-child { fill:#efe7d8; stroke:#e4d8c5; stroke-width:2; }
.area-map circle { fill:var(--gold-light); }
.area-map .pin { fill:var(--gold); stroke:none; }
.area-map text { fill:var(--deep); font-family:var(--serif); font-size:17px; }

/* Contact & Footer */
.contact-band {
  background:linear-gradient(110deg,#b67d22,#805420); color:#fff; padding:25px 0;
}
.contact-grid { display:grid; grid-template-columns:1fr 1.12fr 1fr; align-items:center; gap:35px; }
.contact-message p { font-family:var(--serif); font-size:1.12rem; letter-spacing:.1em; }
.contact-message span { display:block; opacity:.85; font-size:.77rem; line-height:1.8; margin-top:7px; }
.phone { text-align:center; border-inline:1px solid rgba(255,255,255,.35); display:flex; flex-direction:column; }
.phone small { font-size:.71rem; opacity:.82; }
.phone strong { font-family:var(--serif); font-size:2.2rem; font-weight:500; letter-spacing:.18em; line-height:1.3; }
.phone span { font-size:.7rem; opacity:.85; }
.mail-button {
  border:1px solid rgba(255,255,255,.62); height:55px; display:flex; align-items:center;
  justify-content:center; gap:14px; font-family:var(--serif); font-size:.86rem;
}
.mail-button span { font-size:1.3rem; }
.site-footer { background:#fff; padding:36px 0 16px; }
.footer-grid { display:grid; grid-template-columns:1.15fr .9fr 1fr; gap:60px; align-items:start; }
.footer-brand .brand-text strong { font-size:1.3rem; }
.footer-brand .brand-mark { width:40px; }
.footer-nav { display:grid; grid-template-columns:repeat(2,1fr); gap:5px 28px; font-size:.77rem; color:var(--muted); }
.footer-nav a:hover { color:var(--gold); }
address { font-style:normal; font-size:.77rem; color:var(--muted); line-height:2.1; }
address strong { font-family:var(--serif); color:var(--text); font-size:.9rem; }
.copyright { margin-top:23px; text-align:center; font-size:.69rem; color:var(--muted); }
.pagetop {
  position:fixed; right:24px; bottom:22px; width:43px; height:43px; border:1px solid var(--gold-light);
  color:var(--gold); border-radius:50%; background:#fff; display:flex; align-items:center; justify-content:center;
  font-size:1.25rem; opacity:0; visibility:hidden; transform:translateY(10px);
}
.pagetop.is-visible { opacity:1; visibility:visible; transform:none; }

/* Tablet & Mobile */
@media (max-width: 1100px) {
  .container { width:min(100% - 42px, 900px); }
  .global-nav { gap:22px; }
  .header-cta { padding-inline:16px; }
  .hero { grid-template-columns:1fr; }
  .hero-copy { order:2; }
  .hero-photo { height:48vw; min-height:350px; }
  .hero-photo img { min-height:0; }
  .belief-grid, .works-layout { grid-template-columns:1fr; }
  .service-grid, .works-grid { grid-template-columns:repeat(2,1fr); }
  .info-grid { grid-template-columns:1fr; gap:46px; }
}
@media (max-width: 820px) {
  .site-header { height:68px; }
  .brand-text strong { font-size:1.08rem; }
  .brand-text small { display:none; }
  .brand-mark { width:37px; height:37px; }
  .nav-toggle { display:block; z-index:42; }
  .global-nav {
    position:fixed; z-index:40; top:68px; left:0; right:0; display:none;
    flex-direction:column; background:#fff; padding:25px; gap:20px; border-top:1px solid var(--line);
    box-shadow:0 18px 30px rgba(0,0,0,.08);
  }
  .global-nav.is-open { display:flex; }
  .header-cta { width:100%; justify-content:center; }
  .hero-copy { padding:42px 25px 48px; }
  .hero-copy::after { inset:20px 12px; }
  .hero h1 { font-size:clamp(1.72rem,7vw,2.2rem); }
  .hero-buttons { flex-direction:column; }
  .hero-photo { height:58vw; min-height:285px; }
  .section { padding:50px 0; }
  .value-cards, .service-grid, .works-grid, .process-steps, .contact-grid, .footer-grid { grid-template-columns:1fr; }
  .value-card { min-height:0; }
  .service-card { max-width:430px; margin:auto; }
  .works-intro { text-align:center; }
  .works-grid { gap:17px; }
  .work-card { max-width:370px; margin:auto; }
  .process-steps { gap:36px; }
  .process-steps li:not(:last-child)::after { display:none; }
  .brand-banner { height:205px; }
  .brand-banner-copy h2 { font-size:1.4rem; }
  .contact-grid { text-align:center; gap:20px; }
  .phone { border:0; padding-block:9px; }
  .phone strong { font-size:1.8rem; }
  .footer-grid { gap:30px; }
}