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

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #1f1f22;
  --muted: #6f6f75;
  --line: #e2e2e5;
  --accent: #08090a;
  --ink: #1f1f22;
  --ink-2: #6f6f75;
  --bg-2: #ffffff;
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: var(--bg);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 15px;
  line-height: 1.85;
}
body.menu-open { overflow: hidden; }
body.menu-open .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; background: #ffffff; }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, .product-name, .stat-value, .why-num, .flow-num, .voice-number,
.kaiser-feature .num, .tambi-feature .num, .price-main, .pair-name, .pair-heading {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
}
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 14px 0 26px; font-size: clamp(40px, 4.5vw, 64px); line-height: 1.3; letter-spacing: .01em; }
h2 { margin: 12px 0 24px; font-size: clamp(30px, 3.1vw, 44px); line-height: 1.4; letter-spacing: .01em; }
h3 { margin: 0 0 14px; font-size: 22px; line-height: 1.6; }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 48px), 920px); margin-inline: auto; }
.kicker, .section-label {
  margin: 0;
  color: #8b8b90;
  font-family: "Noto Serif JP", serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .18em;
  line-height: 1.7;
}
.lead { margin: 0 0 30px; font-size: 18px; line-height: 1.9; }
.muted { color: var(--muted); }
.section, .section-block, .why, .flow, .voice, .company-brief, .common-cta,
.tambi-features, .scenes, .price, .line-contact {
  background: #ffffff;
  border-top: 1px solid var(--line);
}
.section { padding: 110px 0; }
.section-head { max-width: 840px; margin-bottom: 52px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.header-inner { height: 84px; display: flex; align-items: center; gap: 34px; }
.brand { flex: 0 0 auto; }
.brand img { width: auto; height: 30px; }
.gnav { display: flex; align-items: center; gap: 34px; margin-left: auto; }
.gnav a, .mobile-menu a { text-decoration: none; }
.gnav > a, .nav-products > a { font-size: 13px; letter-spacing: .12em; }
.nav-products { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 18px);
  left: -24px;
  width: 220px;
  padding: 16px 24px;
  visibility: hidden;
  opacity: 0;
  background: #ffffff;
  border: 1px solid var(--line);
  transition: opacity .15s, visibility 0s linear .15s;
}
.dropdown::before { content: ""; position: absolute; left: 0; right: 0; top: -19px; height: 19px; }
.nav-products > a { display: inline-block; padding: 12px 0; }
.dropdown a { display: block; padding: 7px 0; font-size: 12px; }
.nav-products:hover .dropdown, .nav-products:focus-within .dropdown { visibility: visible; opacity: 1; transition-delay: 0s; }
.menu-btn, .mobile-menu { display: none; }

/* Buttons */
.btns { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.btn-ink, .btn-line, .form-actions button {
  display: inline-flex;
  min-height: 60px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0 30px;
  border: 1.5px solid var(--accent);
  border-radius: 0;
  font: 500 14px/1.4 "Noto Sans JP", sans-serif;
  letter-spacing: .05em;
  text-decoration: none;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.btn-ink, .form-actions button { color: #ffffff; background: var(--accent); }
.btn-line { color: var(--accent); background: #ffffff; }
.btn-ink::after, .btn-line::after, .form-actions button::after { content: "→"; }
.btn-ink:hover, .form-actions button:hover { color: var(--accent); background: #ffffff; }
.btn-line:hover { color: #ffffff; background: var(--accent); }
.header-contact { min-height: 52px; padding-inline: 24px; }
.text-link { display: inline-block; margin-top: 18px; color: var(--text); text-underline-offset: 7px; }
.text-link::after { content: " →"; }

/* Top hero */
.hero { min-height: 700px; padding: 70px 0 76px; background: #ffffff; }
.hero-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 48px; }
.hero-copy { position: relative; z-index: 2; }
.hero-copy .kicker { margin-bottom: 10px; }
.hero-visual { position: relative; height: 570px; background: #ffffff; }
.hero-visual .zero, .hero-visual .kaiser { position: absolute; bottom: 0; object-fit: contain; filter: drop-shadow(0 30px 40px rgba(31,31,34,.18)); }
.hero-visual .zero { left: 7%; width: 58%; height: 96%; }
.hero-visual .kaiser { left: 35%; width: 66%; height: 100%; }

/* Stats */
.stats { background: #ffffff; border-block: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { min-width: 0; padding: 36px 24px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat-label { margin-bottom: 10px; color: var(--muted); font-size: 13px; }
.stat-value { color: var(--text); font-size: 64px; font-weight: 600; line-height: 1.1; white-space: nowrap; }
.stat-value small { margin: 0 4px; font: 400 14px "Noto Sans JP", sans-serif; }
.stat-value.words { margin-top: 14px; font-size: 30px; line-height: 1.4; white-space: normal; }
.stats-note { padding: 0 24px 14px; color: var(--muted); font-size: 10px; text-align: right; }

/* Product sections */
.products { padding: 130px 0; background: #ffffff; }
.product-row { display: grid; min-height: 590px; grid-template-columns: 1fr 1fr; align-items: center; border-top: 1px solid var(--line); }
.product-row.reverse .product-media { order: 2; }
.product-media { display: grid; height: 580px; place-items: center; padding: 40px; background: #ffffff; }
.product-media img { max-height: 500px; object-fit: contain; filter: drop-shadow(0 30px 40px rgba(31,31,34,.18)); }
.product-copy { position: relative; padding: 58px 64px; }
.product-copy::before { position: absolute; top: 62px; left: 0; width: 2px; height: 210px; background: var(--accent); content: ""; }
.product-name { font-size: 38px; letter-spacing: .04em; line-height: 1.3; }
.product-tagline { margin-top: 16px; }
.mini-spec { margin: 24px 0; color: var(--muted); font-size: 13px; }
.product-small-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 52px; margin-top: 76px; }
.product-small { border-top: 1px solid var(--line); }
.product-small-media { display: grid; height: 350px; place-items: center; overflow: hidden; background: #ffffff; border-bottom: 1px solid var(--line); }
.product-small-media img { width: 100%; height: 100%; object-fit: contain; }
.product-small.tambi img { mix-blend-mode: multiply; }
.product-small.saimo img { padding: 18px; }
.product-small .product-copy { padding: 40px 32px; }
.product-small .product-copy::before { top: 44px; height: 112px; }
.product-small .product-name { font-size: 32px; }

/* Why, flow, voice, company */
.why { padding: 120px 0; }
.why-grid { display: grid; grid-template-columns: 7fr 4fr; gap: 90px; }
.why-list { border-top: 1px solid var(--line); }
.why-item { display: grid; grid-template-columns: 100px 1fr; gap: 22px; padding: 36px 0; border-bottom: 1px solid var(--line); }
.why-num { color: var(--text); font-size: 64px; font-weight: 600; line-height: 1; }
.why-item p { margin: 0; color: var(--muted); }
.why-image { align-self: center; }
.why-image img { max-height: 720px; object-fit: contain; filter: drop-shadow(0 30px 40px rgba(31,31,34,.18)); }
.flow { padding: 100px 0; }
.flow-list { display: grid; grid-template-columns: repeat(5,1fr); margin-top: 44px; border-top: 1px solid var(--line); }
.flow-item { min-width: 0; padding: 32px 24px; border-right: 1px solid var(--line); }
.flow-item:last-child { border-right: 0; }
.flow-num { color: var(--text); font-size: 28px; font-weight: 600; }
.flow-item h3 { margin: 14px 0 6px; font-size: 18px; }
.flow-item p { margin: 0; color: var(--muted); font-size: 12px; }
.voice { padding: 120px 0; }
.voice-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); }
.voice-item { padding: 34px 30px; border-right: 1px solid var(--line); background: #ffffff; }
.voice-item:nth-child(2) { transform: translateY(-24px); }
.voice-item:last-child { border-right: 0; }
.voice-number { font-size: 54px; font-weight: 600; line-height: 1.2; }
.voice-label { margin: 6px 0 24px; color: var(--muted); font-size: 13px; }
.voice-attr { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.company-brief { padding: 90px 0; }
.company-brief-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; }
.brief-list { margin: 0; }
.brief-list > div { display: grid; grid-template-columns: 100px 1fr; padding: 16px 0; border-bottom: 1px solid var(--line); }
.brief-list dd { margin: 0; color: var(--muted); }

/* Shared CTA and footer */
.common-cta { padding: 90px 0; }
.common-cta .inner { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 60px; }
.common-cta h2 { max-width: 800px; }
.hero-copy h1, .kaiser-hero h1, .tambi-hero h1 { white-space: nowrap; }
.line-qr { display: flex; flex-direction: column; align-items: center; flex: 0 0 auto; }
.line-qr img { width: 120px; height: 120px; object-fit: contain; }
.line-qr small { margin-top: 8px; color: var(--muted); font-size: 9px; white-space: nowrap; }
.site-footer { padding: 72px 0 26px; color: #ffffff; background: #08090a; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 70px; padding-bottom: 56px; }
.footer-brand img { width: 138px; }
.footer-brand p { margin-top: 24px; color: #c8c8cc; font-size: 12px; }
.footer-title { margin-bottom: 18px; color: #a8a8ad; font: 500 12px "Noto Serif JP", serif; letter-spacing: .16em; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-links a { color: #ffffff; font-size: 12px; text-decoration: none; }
.copyright { padding-top: 20px; border-top: 1px solid #35353a; color: #8f8f95; font-size: 10px; }

/* KAISER */
.kaiser-hero { min-height: 700px; padding: 70px 0; background: #ffffff; }
.kaiser-hero .hero-visual { height: 580px; }
.kaiser-hero .hero-visual img { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 30px 40px rgba(31,31,34,.18)); }
.maker { margin-top: 20px; color: var(--muted); font-size: 11px; }
.kaiser-features-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 80px; }
.kaiser-feature { display: grid; grid-template-columns: 110px 1fr; padding: 32px 0; border-bottom: 1px solid var(--line); }
.kaiser-feature .num { color: var(--text); font-size: 64px; font-weight: 600; line-height: 1; }
.kaiser-feature p { color: var(--muted); }
.kaiser-panel { align-self: center; }
.kaiser-panel img { width: 100%; height: 660px; object-fit: cover; }
.spec-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.spec-table { margin: 0; }
.spec-table > div { display: grid; grid-template-columns: 1fr 1.4fr; padding: 16px 0; border-bottom: 1px solid var(--line); }
.spec-table dt { color: var(--muted); }
.spec-table dd { margin: 0; }
.rods-image { height: 280px; margin-top: 44px; overflow: hidden; }
.rods-image img { width: 100%; height: 320px; object-fit: contain; object-position: top; }
.styles-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); }
.style-item { padding: 36px; border-right: 1px solid var(--line); }
.style-item:last-child { border-right: 0; }
.style-item p { color: var(--muted); }
.pair { background: #ffffff; }
.pair-products { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.pair-product { display: grid; grid-template-columns: 190px 1fr; gap: 28px; align-items: center; padding: 30px 0; }
.pair-product img { width: 100%; height: 240px; object-fit: contain; }
.pair-name { color: var(--text); font-size: 28px; }
.pair-table { border-top: 1px solid var(--line); }
.pair-heading { color: var(--text); font-size: 15px; letter-spacing: .05em; }
.pair-line { display: grid; grid-template-columns: 150px 1fr 1fr; border-bottom: 1px solid var(--line); }
.pair-line > * { padding: 17px 20px; }
.pair-line strong { color: var(--text); }
.pair-closing { margin: 48px 0 0; font: 500 24px/1.7 "Noto Serif JP", serif; }
.table-scroll { overflow-x: auto; }
.compare-table { width: 100%; min-width: 850px; border-collapse: collapse; }
.compare-table th, .compare-table td { padding: 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare-table thead th { color: var(--text); font: 500 19px "Noto Serif JP", serif; }
.compare-table tbody th { width: 150px; color: var(--muted); font-weight: 400; }
.mark { margin-right: 8px; font: 600 24px "Noto Serif JP", serif; }
.best { color: #08090a; }
.good { color: #6f6f75; }
.low { color: #b0b0b5; }
.price { padding: 120px 0; }
.price-main { color: var(--text); font-size: 76px; font-weight: 600; line-height: 1.2; }
.price-note { margin: 18px 0 40px; color: var(--muted); }
.price details { padding: 20px 0; border-block: 1px solid var(--line); }
.price summary { cursor: pointer; }
.parts-list { margin: 0; padding: 24px 0 0; column-count: 2; column-gap: 60px; list-style: none; }
.parts-list li { display: flex; justify-content: space-between; gap: 20px; padding: 8px 0; border-bottom: 1px solid var(--line); break-inside: avoid; }
.shipping { color: var(--text); }

/* Tambi */
.tambi-hero { min-height: 600px; padding: 70px 0; background: #ffffff; }
.tambi-hero .hero-grid { grid-template-columns: 1.05fr .95fr; }
.tambi-hero .hero-visual { height: 500px; }
.tambi-hero .hero-visual img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.tambi-strong { margin: 24px 0 28px; font: 500 19px/1.8 "Noto Serif JP", serif; }
.tambi-spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.tambi-spec-image img { width: 100%; height: 500px; object-fit: cover; }
.tambi-features { padding: 100px 0 120px; }
.tambi-feature-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line); }
.tambi-feature { display: flex; flex-direction: column; padding: 36px 26px; border-right: 1px solid var(--line); }
.tambi-feature:last-child { border-right: 0; }
.tambi-feature .num { color: var(--text); font-size: 28px; font-weight: 600; }
.tambi-feature h3 { margin-top: 14px; font-size: 19px; }
.tambi-feature p { margin-top: auto; color: var(--muted); font-size: 13px; }
.scenes { padding: 90px 0 120px; }
.scene-grid { display: grid; grid-template-columns: 4fr 3fr 5fr; gap: 18px; height: 540px; }
.scene-grid img { width: 100%; height: 100%; object-fit: cover; }
.scene-grid img:nth-child(2) { height: calc(100% - 55px); margin-top: 55px; }
.ba { background: #ffffff; }
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.ba-set h3 { font-size: 19px; }
.ba-images { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.ba-images::after { position: absolute; top: 50%; left: 50%; display: grid; width: 38px; height: 38px; place-items: center; color: #ffffff; background: var(--accent); content: "→"; transform: translate(-50%,-50%); }
.ba-images img { width: 100%; height: 330px; object-fit: cover; }
.ba-note { color: var(--muted); font-size: 10px; }

/* Inner pages and forms */
.page-head { padding: 110px 0 60px; background: #ffffff; }
.page-head h1 { margin-bottom: 0; }
.company-list { margin: 0; }
.company-list > div { display: grid; grid-template-columns: 190px 1fr; padding: 24px 0; border-bottom: 1px solid var(--line); }
.company-list dd { margin: 0; color: var(--muted); }
.greeting { display: grid; grid-template-columns: 1fr 1.4fr; gap: 90px; padding-top: 130px; }
.greeting-copy p { margin: 0 0 24px; color: var(--muted); }
.contact-intro { max-width: 920px; }
.line-contact { padding: 64px 0; }
.line-contact-grid { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 60px; }
.line-contact h2 { font-size: clamp(30px, 4vw, 46px); }
.line-contact .btn-line { margin-top: 18px; }
.contact-wrap { padding: 80px 0 120px; background: #ffffff; border-top: 1px solid var(--line); }
.contact-form { max-width: 860px; }
.form-group { display: grid; grid-template-columns: 220px 1fr; gap: 30px; padding: 22px 0; border-top: 1px solid var(--line); }
.form-group label { font-weight: 500; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 0; background: #ffffff; font: inherit; }
.form-group textarea { min-height: 180px; resize: vertical; }
.form-consent { margin: 28px 0; }
.check-row, .robot-check { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.check-row input, .robot-check input { width: 18px; height: 18px; }
.policy-link { text-underline-offset: 4px; }
.robot-box { display: flex; width: min(100%, 360px); align-items: center; justify-content: space-between; margin: 24px 0; padding: 18px; border: 1px solid var(--line); background: #ffffff; }
.robot-brand { color: var(--muted); font-size: 11px; }
.form-actions { margin-top: 40px; }
.form-actions button:disabled { cursor: wait; opacity: .65; }
.thanks-main { display: grid; min-height: 600px; place-items: center; background: #ffffff; }
.thanks-box { text-align: left; }
.thanks-box h1 { font-size: 46px; }
.privacy-content { padding: 0 0 120px; background: #ffffff; }
.privacy-lead { font-weight: 600; }
.privacy-block { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.privacy-block h2 { margin-bottom: 12px; font: 600 18px "Noto Sans JP", sans-serif; }
.privacy-block p, .privacy-block li { color: var(--muted); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s, transform .6s; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .gnav, .header-contact { display: none; }
  .menu-btn { position: relative; display: block; width: 42px; height: 42px; margin-left: auto; padding: 0; border: 0; background: transparent; }
  .menu-btn::before, .menu-btn::after, .menu-btn span { position: absolute; left: 8px; width: 26px; height: 1px; background: var(--accent); content: ""; transition: transform .2s, top .2s, opacity .2s; }
  .menu-btn::before { top: 13px; }
  .menu-btn span { top: 21px; }
  .menu-btn::after { top: 29px; }
  .menu-open .menu-btn::before { top: 21px; transform: rotate(45deg); }
  .menu-open .menu-btn span { opacity: 0; }
  .menu-open .menu-btn::after { top: 21px; transform: rotate(-45deg); }
  .mobile-menu { position: fixed; inset: 84px 0 0; z-index: 101; display: flex; flex-direction: column; gap: 20px; padding: 52px 34px; visibility: hidden; opacity: 0; background: #ffffff; transition: opacity .2s; }
  .menu-open .mobile-menu { visibility: visible; opacity: 1; }
  .mobile-menu { font: 500 24px "Noto Serif JP", serif; }
  .mobile-menu .sub { padding-left: 18px; font-size: 16px; }
  .hero-grid, .tambi-hero .hero-grid, .why-grid, .kaiser-features-grid, .spec-layout, .tambi-spec-grid { grid-template-columns: 1fr; }
  .why-image { display: none; }
  .flow-list { grid-template-columns: repeat(3,1fr); }
  .voice-grid { grid-template-columns: 1fr 1fr; }
  .voice-item { border-bottom: 1px solid var(--line); }
  .voice-item:nth-child(2) { transform: none; }
}

@media (max-width: 768px) {
  body { font-size: 14px; }
  .container, .narrow { width: min(calc(100% - 36px), var(--max)); }
  .header-inner { height: 70px; }
  .brand img { height: 22px; }
  .mobile-menu { inset: 70px 0 0; }
  h1 { font-size: 38px; line-height: 1.45; }
  h2 { font-size: 30px; }
  h3 { font-size: 20px; }
  .lead { font-size: 15px; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 38px; }
  .btn-ink, .btn-line, .form-actions button { width: 100%; min-height: 60px; padding: 0 20px; }
  .hero { min-height: auto; padding: 46px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-visual { height: 380px; }
  .hero-visual .zero { left: 4%; width: 62%; }
  .hero-visual .kaiser { left: 34%; width: 70%; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: 24px 16px; border-bottom: 1px solid var(--line); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(3), .stat:nth-child(4) { border-bottom: 0; }
  .stat-value { font-size: 46px; }
  .stat-value.words { font-size: 22px; }
  .stats-note { padding-inline: 16px; text-align: left; }
  .products { padding: 84px 0; }
  .product-row { grid-template-columns: 1fr; min-height: auto; padding: 42px 0; }
  .product-row.reverse .product-media { order: 0; }
  .product-media { height: 330px; padding: 12px; }
  .product-media img { max-height: 310px; }
  .product-copy { padding: 30px 0 0 24px; }
  .product-copy::before { top: 32px; height: 160px; }
  .product-name { font-size: 31px; }
  .product-small-grid { grid-template-columns: 1fr; gap: 26px; margin-top: 44px; }
  .product-small-media { height: 290px; }
  .product-small .product-copy { padding: 30px 0 42px 24px; }
  .why { padding: 78px 0; }
  .why-item { grid-template-columns: 68px 1fr; padding: 28px 0; }
  .why-num { font-size: 42px; }
  .flow { padding: 72px 0; }
  .flow-list { grid-template-columns: 1fr; }
  .flow-item { display: grid; grid-template-columns: 46px 1fr; padding: 20px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .flow-item h3 { margin: 4px 0; }
  .flow-item p { grid-column: 2; }
  .voice { padding: 78px 0; }
  .voice-grid { grid-template-columns: 1fr; }
  .voice-item { padding-inline: 0; border-right: 0; }
  .company-brief { padding: 72px 0; }
  .company-brief-grid { grid-template-columns: 1fr; gap: 34px; }
  .brief-list > div { grid-template-columns: 80px 1fr; }
  .common-cta { padding: 72px 0; }
  .common-cta .inner, .line-contact-grid { grid-template-columns: 1fr; gap: 0; }
  .common-cta .line-qr, .line-contact .line-qr { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; padding-bottom: 44px; }
  .site-footer { padding-top: 54px; }
  .kaiser-hero { min-height: auto; padding: 44px 0 60px; }
  .kaiser-hero .hero-visual { height: 420px; }
  .kaiser-feature { grid-template-columns: 72px 1fr; }
  .kaiser-feature .num { font-size: 46px; }
  .kaiser-panel img { height: 330px; }
  .spec-table > div { grid-template-columns: 1fr; padding: 14px 0; }
  .rods-image { height: 160px; }
  .styles-grid { grid-template-columns: 1fr; }
  .style-item { padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .pair-products { grid-template-columns: 1fr; gap: 8px; }
  .pair-product { grid-template-columns: 110px 1fr; }
  .pair-product img { height: 150px; }
  .pair-heading { display: none; }
  .pair-line { grid-template-columns: 1fr; font-size: 13px; }
  .pair-line > * { padding: 10px 8px; }
  .pair-line > strong { padding-top: 18px; }
  .pair-line:not(.pair-heading) > span { display: grid; grid-template-columns: 105px 1fr; gap: 10px; }
  .pair-line:not(.pair-heading) > span:nth-child(2)::before { color: var(--muted); font: 500 10px/1.5 "Noto Serif JP", serif; content: "ZERO GRA WAVE"; }
  .pair-line:not(.pair-heading) > span:nth-child(3)::before { color: var(--muted); font: 500 10px/1.5 "Noto Serif JP", serif; content: "WAVE KAISER"; }
  .pair-closing { font-size: 19px; }
  .price { padding: 84px 0; }
  .price-main { font-size: 54px; }
  .parts-list { column-count: 1; }
  .tambi-hero { min-height: auto; padding: 44px 0 60px; }
  .tambi-hero .hero-visual { height: 300px; }
  .tambi-spec-image img { height: 270px; }
  .tambi-features { padding: 72px 0 84px; }
  .tambi-feature-grid { grid-template-columns: 1fr 1fr; }
  .tambi-feature { padding: 26px 15px; border-bottom: 1px solid var(--line); }
  .tambi-feature:nth-child(2) { border-right: 0; }
  .tambi-feature h3 { font-size: 17px; }
  .scenes { padding: 72px 0 80px; }
  .scene-grid { grid-template-columns: 1fr 1fr; height: auto; }
  .scene-grid img, .scene-grid img:nth-child(2) { height: 240px; margin-top: 0; }
  .scene-grid img:nth-child(3) { grid-column: 1 / -1; height: 260px; }
  .ba-grid { grid-template-columns: 1fr; gap: 50px; }
  .ba-images img { height: 220px; }
  .page-head { padding: 74px 0 34px; }
  .company-list > div { grid-template-columns: 84px 1fr; padding: 18px 0; }
  .greeting { grid-template-columns: 1fr; gap: 20px; padding-top: 80px; }
  .line-contact { padding: 54px 0; }
  .contact-wrap { padding: 60px 0 90px; }
  .form-group { grid-template-columns: 1fr; gap: 8px; padding: 18px 0; }
  .thanks-box h1 { font-size: 34px; }
  br.pc { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

.ba-images figure { margin: 0; }
.ba-images figcaption { margin-top: 8px; font-size: 12px; letter-spacing: .12em; color: var(--muted); }

.greeting h2 { font-size: clamp(28px, 2.6vw, 38px); }