@charset "UTF-8";
/* =============================================================
   NARUKAMI - 鳴神 - 法人贈答ブランドサイト
   コンセプト: 雷鳴の一閃 — 墨黒の雷雲に金の稲光
   実測準拠: 明朝w400のみ / radius0 / 金は線と文字のみ / 朱は落款
   ============================================================= */

:root {
  --ink: #0B0E14;
  --ink-2: #10141D;
  --navy: #141D33;
  --navy-2: #1B2947;
  --paper: #F0EDE4;
  --paper-dim: #CFCabc;
  --paper-2: #F4F1E8;
  --sumi: #1A1916;
  --sumi-2: #55524B;
  --mute: #8E8B84;
  --gold: #B49A5A;
  --gold-2: #D8BC7E;
  --gold-line: rgba(180, 154, 90, .38);
  --gold-line-soft: rgba(180, 154, 90, .16);
  --shu: #A32C25;
  --serif: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --gothic: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", sans-serif;
  --en: "Cinzel", serif;
  --container: min(1160px, 92vw);
  --narrow: min(760px, 92vw);
  --sec-pad: clamp(88px, 11vw, 152px);
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: clip; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--gothic);
  font-size: 15px;
  line-height: 2.0;
  letter-spacing: .05em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; word-break: keep-all; line-break: strict; }
button { font-family: inherit; cursor: pointer; }
::selection { background: rgba(180, 154, 90, .35); color: var(--paper); }

.container { width: var(--container); margin: 0 auto; }
.narrow { width: var(--narrow); margin: 0 auto; }

/* ---------- 共通: キッカー・見出し ---------- */
.kicker {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--en); font-size: 10.5px; font-weight: 400;
  letter-spacing: .32em; color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 26px;
}
.kicker::before { content: ""; width: 34px; height: 1px; background: var(--gold-line); }
.kicker.center { justify-content: center; }
.kicker.center::after { content: ""; width: 34px; height: 1px; background: var(--gold-line); }

.sec-title {
  font-size: clamp(28px, 3.8vw, 46px);
  line-height: 1.62;
  letter-spacing: .11em;
  font-weight: 400;
  margin-bottom: 30px;
}
.sec-title .line { display: block; white-space: nowrap; }
.sec-lead {
  font-family: var(--serif);
  font-size: 15px; line-height: 2.4; letter-spacing: .07em;
  color: var(--paper-dim);
  max-width: 620px;
  text-wrap: pretty;
}
.page-lead, .final-cta p.note { text-wrap: pretty; }
.center .sec-lead { margin-inline: auto; }
.t-center { text-align: center; }
.t-center .kicker { justify-content: center; }
.t-center .kicker::after { content: ""; width: 34px; height: 1px; background: var(--gold-line); }

section { padding: var(--sec-pad) 0; position: relative; }

/* ---------- ボタン・リンク ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 14px;
  min-height: 56px; padding: 14px 46px;
  border: 1px solid var(--gold);
  color: var(--gold-2);
  font-family: var(--gothic); font-size: 13px; font-weight: 500;
  letter-spacing: .18em;
  background: transparent;
  transition: background .45s cubic-bezier(.22,1,.36,1), color .45s, border-color .45s;
  white-space: nowrap;
}
.btn .ar { transition: transform .45s cubic-bezier(.22,1,.36,1); font-family: var(--gothic); }
.btn:hover { background: var(--gold); color: var(--ink); }
.btn:hover .ar { transform: translateX(6px); }
.btn.small { min-height: 46px; padding: 10px 30px; font-size: 12px; }

.tlink {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: .16em; color: var(--gold-2);
  padding-bottom: 6px; position: relative;
}
.tlink::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--gold-line);
}
.tlink::before {
  content: ""; position: absolute; left: 0; bottom: 0; z-index: 1;
  width: 0; height: 1px; background: var(--gold-2);
  transition: width .5s cubic-bezier(.22,1,.36,1);
}
.tlink:hover::before { width: 100%; }
.tlink .ar { transition: transform .45s; }
.tlink:hover .ar { transform: translateX(5px); }

/* ---------- ヘッダー ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 140;
  height: var(--header-h);
  display: flex; align-items: center;
  padding: 0 clamp(18px, 3vw, 40px);
  transition: background .5s, border-color .5s, backdrop-filter .5s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(11, 14, 20, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: rgba(180, 154, 90, .14);
}
.header-logo img { height: 15px; width: auto; }
.header-logo .logo-d { display: none; }
body.light .site-header:not(.scrolled) .logo-l { display: none; }
body.light .site-header:not(.scrolled) .logo-d { display: block; }
body.light .site-header:not(.scrolled) .nav-item { color: var(--sumi-2); }
body.light .site-header:not(.scrolled) .nav-item:hover { color: var(--sumi); }
body.light .site-header:not(.scrolled) .btn { border-color: #8f7a40; color: #7c6a38; }
body.light .site-header:not(.scrolled) .btn:hover { background: #8f7a40; color: var(--paper-2); }
body.light .site-header:not(.scrolled) .menu-toggle span { background: var(--sumi); }
body.drawer-open .site-header .logo-d { display: none !important; }
body.drawer-open .site-header .logo-l { display: block !important; }
body.drawer-open .site-header { background: none; backdrop-filter: none; -webkit-backdrop-filter: none; border-bottom-color: transparent; }
body.drawer-open .menu-toggle span { background: var(--paper) !important; }
.header-nav { display: flex; align-items: center; gap: clamp(18px, 2.2vw, 30px); margin-left: auto; }
.header-nav a.nav-item {
  font-size: 12.5px; letter-spacing: .1em; color: var(--paper-dim);
  transition: color .3s; position: relative; padding: 6px 0;
}
.header-nav a.nav-item::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px;
  background: var(--gold); transition: width .4s;
}
.header-nav a.nav-item:hover { color: var(--paper); }
.header-nav a.nav-item:hover::after { width: 100%; }
.header-nav .btn { min-height: 42px; padding: 8px 24px; font-size: 12px; margin-left: 6px; }

.menu-toggle {
  display: none;
  background: none; border: none; margin-left: auto;
  width: 44px; height: 44px; position: relative; z-index: 130;
}
.menu-toggle span {
  position: absolute; left: 10px; right: 10px; height: 1px;
  background: var(--paper); transition: transform .45s, opacity .3s, top .45s;
}
.menu-toggle span:nth-child(1) { top: 17px; }
.menu-toggle span:nth-child(2) { top: 26px; }
.menu-toggle.open span:nth-child(1) { top: 21px; transform: rotate(20deg); }
.menu-toggle.open span:nth-child(2) { top: 21px; transform: rotate(-20deg); }

/* モバイルドロワー */
.drawer {
  position: fixed; inset: 0; z-index: 120;
  background: linear-gradient(160deg, #0B0E14 0%, #141D33 100%);
  display: flex; flex-direction: column; justify-content: center;
  padding: 90px clamp(28px, 8vw, 60px) 40px;
  opacity: 0; visibility: hidden; transition: opacity .5s, visibility .5s;
}
.drawer.open { opacity: 1; visibility: visible; }
.drawer nav { display: flex; flex-direction: column; gap: 4px; }
.drawer a.d-item {
  font-family: var(--serif); font-size: 19px; letter-spacing: .14em;
  padding: 13px 0; color: var(--paper);
  border-bottom: 1px solid rgba(180, 154, 90, .12);
  display: flex; justify-content: space-between; align-items: center;
  opacity: 0; transform: translateY(14px);
  transition: opacity .5s, transform .5s;
}
.drawer.open a.d-item { opacity: 1; transform: none; }
.drawer a.d-item .en {
  font-family: var(--en); font-size: 10px; letter-spacing: .22em; color: var(--gold);
}
.drawer .btn { margin-top: 30px; width: 100%; }

/* スマホ下部固定CTA */
.sp-fixed-cta {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: rgba(11, 14, 20, .88);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(180, 154, 90, .22);
  transform: translateY(110%);
  transition: transform .5s cubic-bezier(.22,1,.36,1);
}
.sp-fixed-cta.visible { transform: none; }
.sp-fixed-cta .btn { width: 100%; min-height: 50px; background: var(--gold); color: var(--ink); border: none; }

/* ---------- ヒーロー（トップ） ---------- */
.hero {
  position: relative; height: 100svh; min-height: 640px;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-media, .hero-media video, .hero-media img, .hero-media picture {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.hero-media img { object-position: center 46%; animation: heroZoom 22s cubic-bezier(.2,.4,.2,1) forwards; }
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .hero-media img { animation: none; } }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 8, 12, .60) 0%, rgba(6, 8, 12, 0) 16%),
    linear-gradient(0deg, rgba(6, 8, 12, .90) 0%, rgba(6, 8, 12, .42) 30%, rgba(6, 8, 12, 0) 58%),
    linear-gradient(90deg, rgba(6, 8, 12, .90) 0%, rgba(6, 8, 12, .60) 34%, rgba(6, 8, 12, .12) 58%, rgba(6, 8, 12, 0) 74%);
}
.hero-inner {
  position: relative; z-index: 2;
  width: var(--container); margin: 0 auto;
  align-self: flex-end;
  padding-bottom: clamp(84px, 13vh, 148px);
}
.hero-copy .hero-en {
  font-family: var(--en); font-size: 11px; letter-spacing: .28em;
  color: var(--gold-2); margin-bottom: 26px;
  display: flex; align-items: center; gap: 16px;
}
.hero-copy .hero-en::before { content: ""; width: 44px; height: 1px; background: var(--gold-line); }
.hero-title {
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.72; letter-spacing: .1em; font-weight: 400;
  margin-bottom: 24px;
  text-shadow: 0 2px 30px rgba(0,0,0,.45);
}
.hero-title .line { display: block; white-space: nowrap; }
.hero-sub {
  font-family: var(--serif);
  font-size: clamp(13px, 1.3vw, 15px); line-height: 2.4; letter-spacing: .08em;
  color: var(--paper-dim);
  text-shadow: 0 1px 20px rgba(0,0,0,.5);
}
.hero-sub .line { display: block; }
.hero-actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.hero-mark {
  position: relative;
  align-self: stretch; display: flex; align-items: center;
  padding-right: clamp(0px, 2vw, 30px);
}
.hero-mark img { height: clamp(200px, 38vh, 350px); width: auto; opacity: .96; }
.hero-scroll {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%); z-index: 3;
  font-family: var(--en); font-size: 9px; letter-spacing: .3em; color: var(--mute);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.hero-scroll::after {
  content: ""; width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2.6s ease-in-out infinite;
}
@keyframes scrollPulse {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- ページヒーロー（下層） ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(64px, 9vw, 110px)) 0 clamp(56px, 7vw, 88px);
  overflow: hidden;
}
.page-hero .kicker { margin-bottom: 18px; }
.page-hero h1 {
  font-size: clamp(28px, 3.6vw, 44px);
  letter-spacing: .12em; line-height: 1.7;
}
.page-hero .page-lead {
  font-family: var(--serif); color: var(--paper-dim);
  font-size: 14.5px; line-height: 2.4; letter-spacing: .07em;
  margin-top: 20px; max-width: 640px;
}
.page-hero .bg {
  position: absolute; inset: 0; z-index: -1; opacity: .34;
}
.page-hero .bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero .bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11,14,20,.94) 8%, rgba(11,14,20,.55) 60%, rgba(11,14,20,.82));
}
.breadcrumb {
  display: flex; gap: 10px; align-items: center;
  font-size: 11px; letter-spacing: .12em; color: var(--mute);
  margin-bottom: clamp(28px, 5vw, 48px);
}
.breadcrumb a { color: var(--mute); transition: color .3s; }
.breadcrumb a:hover { color: var(--gold-2); }
.breadcrumb .sep { color: rgba(180,154,90,.4); }

/* ---------- 稲光デバイダー ---------- */
.bolt-divider {
  display: flex; justify-content: center; padding: 6px 0;
}
.bolt-divider svg { overflow: visible; }
.bolt-divider .bolt {
  stroke: var(--gold); stroke-width: 1; fill: none;
  stroke-dasharray: 140; stroke-dashoffset: 140;
  transition: stroke-dashoffset 1.4s cubic-bezier(.4, 0, .2, 1) .2s;
}
.bolt-divider.drawn .bolt { stroke-dashoffset: 0; }

/* ---------- セクション地バリエーション ---------- */
.sec-navy {
  background: linear-gradient(168deg, var(--ink) 0%, var(--navy) 55%, var(--ink-2) 100%);
}
.sec-line-top { border-top: 1px solid var(--gold-line-soft); }

/* ライト（生成り）セクション・ページ */
.light {
  background: var(--paper-2); color: var(--sumi);
}
.light .sec-title, .light h1, .light h2, .light h3 { color: var(--sumi); }
.light .sec-lead, .light .page-lead { color: var(--sumi-2); }
.light .kicker { color: #8f7a40; }
.light .kicker::before, .light .kicker::after { background: rgba(143, 122, 64, .45); }
.light .btn { border-color: #8f7a40; color: #7c6a38; }
.light .btn:hover { background: #8f7a40; color: var(--paper-2); }
.light .tlink { color: #7c6a38; }
.light .breadcrumb, .light .breadcrumb a { color: #9a958a; }

/* ---------- 縦書き詩文（鳴神について） ---------- */
.poem-wrap {
  display: flex; justify-content: center; align-items: center;
  gap: clamp(44px, 9vw, 130px);
  padding: clamp(10px, 3vw, 30px) 0;
}
.poem {
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: clamp(15.5px, 1.8vw, 20px);
  line-height: 2.6;
  letter-spacing: .22em;
  height: clamp(320px, 48vh, 460px);
  color: var(--paper);
}
.poem p:nth-child(2) { padding-top: 1.2em; }
.poem p:nth-child(3) { padding-top: 2.6em; }
.poem p:nth-child(4) { padding-top: 4em; }
.poem p:nth-child(5) { padding-top: 5.4em; }
.poem-mark img { height: clamp(120px, 18vw, 210px); width: auto; opacity: .92; }

@media (max-width: 760px) {
  .poem-wrap { gap: 30px; }
  .poem { height: 320px; font-size: 14.5px; letter-spacing: .18em; }
  .poem-mark img { height: 110px; }
}

/* ---------- 全幅イメージバンド（ハーヴェスト式） ---------- */
.image-band {
  position: relative; overflow: hidden;
  min-height: min(76vh, 680px);
  display: flex; align-items: center; justify-content: center;
  padding: clamp(80px, 10vw, 120px) 0;
}
.band-media { position: absolute; inset: 0; z-index: 0; }
.band-media img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 44%;
  transform: scale(1.02);
}
.band-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(130% 100% at 50% 50%, rgba(6,8,12,.32) 0%, rgba(6,8,12,.62) 70%, rgba(6,8,12,.80) 100%),
    linear-gradient(180deg, var(--ink) 0%, rgba(11,14,20,0) 22%, rgba(11,14,20,0) 74%, var(--ink) 100%);
}
.band-inner { position: relative; z-index: 1; text-align: center; width: var(--container); }
.band-copy {
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 46px); line-height: 1.72; letter-spacing: .13em;
  color: var(--paper); margin-top: 8px;
  text-shadow: 0 2px 34px rgba(0,0,0,.5);
}
.band-copy .line { display: block; white-space: nowrap; }
.band-note {
  font-family: var(--serif);
  font-size: clamp(13px, 1.3vw, 15px); line-height: 2.1; letter-spacing: .09em;
  color: var(--paper-dim); margin-top: 28px;
  text-shadow: 0 1px 20px rgba(0,0,0,.6);
}
/* 黒×金 ラベルバンド（左寄せ・金ラベルは右に見せる） */
.band-gold .band-inner { text-align: left; }
.band-gold .band-media img { object-position: 64% center; }
.band-gold .band-media::after {
  background:
    linear-gradient(90deg, rgba(6,8,12,.92) 0%, rgba(6,8,12,.60) 40%, rgba(6,8,12,.06) 74%),
    linear-gradient(180deg, var(--ink) 0%, rgba(11,14,20,0) 20%, rgba(11,14,20,0) 80%, var(--ink) 100%);
}
.band-gold .band-copy { color: var(--gold-2); }
.band-gold .band-note { max-width: 30em; }

/* 分割バンド（縦位置写真＋テキスト） */
.split-band { display: grid; grid-template-columns: 1.05fr 1fr; align-items: stretch; min-height: min(84vh, 760px); }
.split-band.reverse .sb-media { order: 2; }
.split-band .sb-media { position: relative; overflow: hidden; background: #05070b; }
.split-band .sb-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; }
.split-band.reverse .sb-media img { object-position: center 27%; }
.split-band .sb-text {
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(48px, 6vw, 100px) clamp(28px, 6vw, 96px);
}
.split-band .sb-text .band-copy { text-align: left; margin-top: 10px; }
.split-band .sb-text .band-copy .line { white-space: nowrap; }
.split-band .sb-text .band-note { max-width: 26em; }
@media (max-width: 760px) {
  .split-band { grid-template-columns: 1fr; }
  .split-band.reverse .sb-media { order: 0; }
  .split-band .sb-media { min-height: 62vh; }
  .split-band .sb-text { padding: clamp(40px,10vw,64px) 6vw; }
  .split-band .sb-text .band-copy .line { white-space: normal; }
}
@media (max-width: 760px) {
  .band-gold .band-media img { object-position: 68% center; }
  .band-gold .band-copy .line { white-space: nowrap; }
}

/* ---------- トップ: 課題提起 ---------- */
.problem-sec { text-align: center; }
.problem-sec .statement {
  font-family: var(--serif);
  font-size: clamp(17px, 2.1vw, 24px);
  line-height: 2.6; letter-spacing: .14em;
  margin: 0 auto;
}
.problem-sec .statement .line { display: block; white-space: nowrap; }
.sp-line { display: inline; white-space: nowrap; }
.problem-sec .statement + .statement { margin-top: 42px; }
.problem-sec .em { color: var(--gold-2); }

/* ---------- シーン（罫線リスト型） ---------- */
.scene-list { border-top: 1px solid var(--gold-line-soft); }
.scene-item {
  display: grid;
  grid-template-columns: 86px 1fr auto;
  gap: clamp(18px, 3vw, 44px);
  align-items: center;
  padding: clamp(26px, 3.4vw, 38px) 6px;
  border-bottom: 1px solid var(--gold-line-soft);
  transition: background .45s;
  position: relative;
}
.scene-item:hover { background: rgba(180, 154, 90, .05); }
.scene-item .no {
  font-family: var(--en); font-size: 12px; letter-spacing: .2em; color: var(--gold);
}
.scene-item .body h3 {
  font-size: clamp(17px, 1.9vw, 21px); letter-spacing: .1em; line-height: 1.7;
  margin-bottom: 6px;
}
.scene-item .body p { font-size: 13px; color: var(--mute); line-height: 1.9; }
.scene-item .go {
  font-size: 12px; letter-spacing: .14em; color: var(--gold-2);
  display: inline-flex; gap: 8px; align-items: center; white-space: nowrap;
}
.scene-item .go .ar { transition: transform .4s; }
.scene-item:hover .go .ar { transform: translateX(5px); }

/* ---------- 理由（5項目） ---------- */
.reason-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 0 clamp(40px, 6vw, 90px);
  border-top: 1px solid var(--gold-line-soft);
  margin-top: 20px;
}
.reason-item {
  padding: clamp(30px, 4vw, 44px) 4px;
  border-bottom: 1px solid var(--gold-line-soft);
  display: grid; grid-template-columns: 60px 1fr; gap: 18px; align-items: baseline;
}
.reason-item .no { font-family: var(--en); font-size: 12px; color: var(--gold); letter-spacing: .18em; }
.reason-item h3 { font-size: 17.5px; letter-spacing: .08em; line-height: 1.8; margin-bottom: 10px; }
.reason-item p { font-size: 13px; color: var(--mute); line-height: 2.0; }

/* ---------- 贈る相手 ---------- */
.recipient-list { border-top: 1px solid var(--gold-line-soft); }
.recipient-item {
  display: grid; grid-template-columns: 1fr auto; align-items: center;
  gap: 20px; padding: clamp(22px, 3vw, 30px) 6px;
  border-bottom: 1px solid var(--gold-line-soft);
  transition: background .45s;
}
.recipient-item:hover { background: rgba(180, 154, 90, .05); }
.recipient-item h3 { font-size: clamp(16px, 1.8vw, 20px); letter-spacing: .1em; }
.recipient-item p { font-size: 13px; color: var(--mute); margin-top: 4px; }

/* ---------- 贈答仕様（1機能=1ブロック） ---------- */
.spec-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--gold-line-soft);
  border-left: 1px solid var(--gold-line-soft);
}
.spec-cell {
  border-right: 1px solid var(--gold-line-soft);
  border-bottom: 1px solid var(--gold-line-soft);
  padding: clamp(24px, 3vw, 34px) clamp(18px, 2.4vw, 28px);
}
.spec-cell h3 {
  font-size: 15.5px; letter-spacing: .1em; margin-bottom: 8px;
  display: flex; align-items: center; gap: 10px;
}
.spec-cell h3::before { content: ""; width: 5px; height: 5px; background: var(--gold); transform: rotate(45deg); flex: none; }
.spec-cell p { font-size: 12.5px; color: var(--mute); line-height: 1.9; }
.light .spec-cell p { color: var(--sumi-2); }

/* ---------- 商品（トップ内） ---------- */
.product-sec { overflow: hidden; }
.product-wrap {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(36px, 6vw, 80px); align-items: center;
}
.product-visual { position: relative; }
.product-visual img, .product-visual video { width: 100%; height: auto; display: block; aspect-ratio: 16 / 10; object-fit: cover; }
.product-visual .frame {
  position: absolute; inset: 14px; border: 1px solid rgba(180, 154, 90, .3);
  pointer-events: none;
}
.product-info .name-en { font-family: var(--en); font-size: 11px; letter-spacing: .3em; color: var(--gold); margin-bottom: 14px; }
.product-info h3 { font-size: clamp(24px, 2.8vw, 32px); letter-spacing: .14em; margin-bottom: 20px; }
.product-info .desc { font-family: var(--serif); font-size: 14px; line-height: 2.4; color: var(--paper-dim); margin-bottom: 30px; }
.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 34px; }
.spec-table th, .spec-table td {
  text-align: left; font-weight: 400; font-size: 13px;
  padding: 12px 4px; border-bottom: 1px solid var(--gold-line-soft);
  letter-spacing: .08em;
}
.spec-table th { color: var(--mute); width: 9em; }
.spec-table td { color: var(--paper); }

/* ---------- 相談フロー ---------- */
.flow-list {
  counter-reset: flow;
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border-top: 1px solid var(--gold-line-soft);
  border-left: 1px solid var(--gold-line-soft);
}
.flow-step {
  counter-increment: flow;
  border-right: 1px solid var(--gold-line-soft);
  border-bottom: 1px solid var(--gold-line-soft);
  padding: 26px 18px 30px;
  position: relative;
}
.flow-step::before {
  content: "0" counter(flow);
  font-family: var(--en); font-size: 12px; letter-spacing: .2em; color: var(--gold);
  display: block; margin-bottom: 14px;
}
.flow-step h3 { font-size: 14.5px; letter-spacing: .06em; line-height: 1.8; margin-bottom: 6px; }
.flow-step p { font-size: 12px; color: var(--mute); line-height: 1.9; }

/* ---------- FAQ ---------- */
.faq-list { border-top: 1px solid var(--gold-line-soft); }
.faq-item { border-bottom: 1px solid var(--gold-line-soft); }
.faq-item summary {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: 34px 1fr 30px; align-items: baseline; gap: 12px;
  padding: clamp(20px, 2.6vw, 26px) 4px;
  font-family: var(--serif); font-size: 15.5px; letter-spacing: .08em; line-height: 1.9;
  transition: color .3s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--gold-2); }
.light .faq-item summary:hover { color: #7c6a38; }
.faq-item summary .q { font-family: var(--en); font-size: 12px; color: var(--gold); letter-spacing: .1em; }
.faq-item summary .ic {
  justify-self: end; position: relative; width: 12px; height: 12px; align-self: center;
}
.faq-item summary .ic::before, .faq-item summary .ic::after {
  content: ""; position: absolute; background: var(--gold); transition: transform .4s;
}
.faq-item summary .ic::before { left: 0; right: 0; top: 5.5px; height: 1px; }
.faq-item summary .ic::after { top: 0; bottom: 0; left: 5.5px; width: 1px; }
.faq-item[open] summary .ic::after { transform: scaleY(0); }
.faq-item .a {
  display: grid; grid-template-columns: 34px 1fr; gap: 12px;
  padding: 0 4px clamp(20px, 2.6vw, 26px);
}
.faq-item .a .al { font-family: var(--en); font-size: 12px; color: var(--shu); letter-spacing: .1em; }
.faq-item .a p { font-size: 13.5px; line-height: 2.1; color: var(--mute); }
.light .faq-item .a p { color: var(--sumi-2); }

/* ---------- 最終CTA ---------- */
.final-cta {
  position: relative; overflow: hidden;
  padding: clamp(110px, 15vw, 190px) 0;
  text-align: center;
}
.final-cta .bg { position: absolute; inset: 0; }
.final-cta .bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 82%; }
.final-cta .bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(11,14,20,.90) 0%, rgba(11,14,20,.94) 55%, rgba(11,14,20,.97) 100%),
    linear-gradient(180deg, var(--ink) 0%, rgba(11,14,20,0) 22%, rgba(11,14,20,0) 78%, var(--ink) 100%);
}
.final-cta .inner { position: relative; z-index: 2; }
.final-cta .cta-title {
  font-size: clamp(22px, 2.8vw, 34px); letter-spacing: .16em; line-height: 2.1;
  margin-bottom: 22px;
}
.final-cta .cta-title .line { display: block; white-space: nowrap; }
.final-cta p.note {
  font-family: var(--serif); font-size: 14px; line-height: 2.4; letter-spacing: .08em;
  color: var(--paper-dim); margin-bottom: 46px;
}
.final-cta p.note .line { display: block; white-space: nowrap; }

/* ---------- フッター ---------- */
.site-footer {
  border-top: 1px solid rgba(180, 154, 90, .16);
  background: #080A0F;
  padding: clamp(56px, 8vw, 90px) 0 36px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr;
  gap: clamp(30px, 5vw, 70px);
  margin-bottom: 60px;
}
.footer-brand img { height: 17px; width: auto; margin-bottom: 20px; }
.footer-brand p {
  font-family: var(--serif); font-size: 12.5px; line-height: 2.3;
  color: var(--mute); letter-spacing: .1em;
}
.footer-contact { margin-top: 16px; font-family: var(--gothic) !important; font-size: 12px !important; letter-spacing: .04em; }
.footer-col h4 {
  font-family: var(--en); font-size: 10.5px; letter-spacing: .26em;
  color: var(--gold); margin-bottom: 18px; font-weight: 400;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 12.5px; color: var(--paper-dim); letter-spacing: .08em;
  transition: color .3s;
}
.footer-col a:hover { color: var(--gold-2); }
.footer-bottom {
  border-top: 1px solid rgba(180, 154, 90, .1);
  padding-top: 26px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: 10.5px; letter-spacing: .14em; color: #5C594F;
}
.footer-bottom .en { font-family: var(--en); }

/* ---------- 下層共通 ---------- */
.detail-sec + .detail-sec { padding-top: 0; }
.two-col {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(34px, 6vw, 80px); align-items: center;
}
.two-col .visual img { width: 100%; border: 1px solid var(--gold-line-soft); }
.noshi-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.noshi-tags span {
  border: 1px solid var(--gold-line); color: var(--paper-dim);
  font-size: 12px; letter-spacing: .12em; padding: 7px 16px;
}
.light .noshi-tags span { color: var(--sumi-2); border-color: rgba(143,122,64,.4); }

/* シーン詳細 */
.scene-detail {
  border-top: 1px solid var(--gold-line-soft);
  padding: clamp(48px, 7vw, 76px) 0;
  display: grid; grid-template-columns: 200px 1fr; gap: clamp(24px, 4vw, 60px);
}
.scene-detail .side { position: sticky; top: 100px; align-self: start; }
.scene-detail .side .no { font-family: var(--en); font-size: 13px; color: var(--gold); letter-spacing: .2em; display: block; margin-bottom: 10px; }
.scene-detail .side h2 { font-size: 20px; letter-spacing: .12em; line-height: 1.8; }
.scene-detail .main h3 { font-size: clamp(19px, 2.2vw, 24px); letter-spacing: .1em; line-height: 1.9; margin-bottom: 18px; }
.scene-detail .main .desc { font-size: 14px; line-height: 2.3; color: var(--paper-dim); margin-bottom: 28px; max-width: 640px; }
.scene-detail .sub-label {
  font-size: 12px; letter-spacing: .2em; color: var(--gold);
  margin: 30px 0 12px; display: flex; align-items: center; gap: 12px;
}
.scene-detail .sub-label::after { content: ""; flex: 1; max-width: 60px; height: 1px; background: var(--gold-line-soft); }
.scene-detail .msg {
  font-family: var(--serif); font-size: 13.5px; line-height: 2.3; color: var(--mute);
  border-left: 1px solid var(--gold-line); padding-left: 20px;
}

/* ---------- フォーム ---------- */
.form-wrap { max-width: 720px; margin: 0 auto; }
.form-step-nav {
  display: flex; justify-content: center; gap: 0; margin-bottom: clamp(40px, 6vw, 60px);
  counter-reset: fstep;
}
.form-step-nav .st {
  counter-increment: fstep;
  display: flex; align-items: center; gap: 10px;
  font-size: 11.5px; letter-spacing: .14em; color: #A5A093;
  padding: 0 22px; position: relative;
}
.form-step-nav .st::before {
  content: "0" counter(fstep);
  font-family: var(--en); font-size: 11px; letter-spacing: .08em;
  width: 30px; height: 30px; border: 1px solid rgba(143,122,64,.35);
  display: inline-flex; align-items: center; justify-content: center;
}
.form-step-nav .st.active { color: var(--sumi); }
.form-step-nav .st.active::before { background: #8f7a40; border-color: #8f7a40; color: var(--paper-2); }
.form-step-nav .st + .st::after {
  content: ""; position: absolute; left: -14px; top: 50%;
  width: 28px; height: 1px; background: rgba(143,122,64,.3);
}

.field { margin-bottom: 26px; }
.field > label, .field > .flabel {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 500; letter-spacing: .1em; color: var(--sumi);
  margin-bottom: 10px;
}
.req, .opt {
  font-size: 10px; letter-spacing: .1em; padding: 2px 8px; font-weight: 400;
}
.req { color: var(--shu); border: 1px solid rgba(163, 44, 37, .5); }
.opt { color: #9a958a; border: 1px solid #d8d2c2; }
input[type="text"], input[type="email"], input[type="tel"], input[type="date"], select, textarea {
  width: 100%; padding: 13px 15px;
  border: 1px solid #d8d2c2; background: #FDFCF8; color: var(--sumi);
  font-family: var(--gothic); font-size: 15px; letter-spacing: .04em;
  border-radius: 0; appearance: none; -webkit-appearance: none;
  transition: border-color .3s, box-shadow .3s;
}
select { background-image: linear-gradient(45deg, transparent 50%, #8f7a40 50%), linear-gradient(135deg, #8f7a40 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: #8f7a40; box-shadow: 0 0 0 3px rgba(143, 122, 64, .12);
}
input.err, select.err, textarea.err { border-color: var(--shu); }
.err-msg { display: none; font-size: 11.5px; color: var(--shu); margin-top: 6px; letter-spacing: .06em; }
.err-msg.show { display: block; }
textarea { min-height: 140px; resize: vertical; }

.check-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.check-item { position: relative; }
.check-item input { position: absolute; opacity: 0; inset: 0; }
.check-item label {
  display: flex; align-items: center; justify-content: center; text-align: center;
  border: 1px solid #d8d2c2; background: #FDFCF8;
  min-height: 46px; padding: 8px 6px;
  font-size: 12.5px; letter-spacing: .06em; color: var(--sumi-2);
  cursor: pointer; transition: all .3s; gap: 8px;
}
.check-item input:checked + label {
  border-color: #8f7a40; background: rgba(143, 122, 64, .08); color: #6d5d2f;
}
.check-item input:focus-visible + label { box-shadow: 0 0 0 3px rgba(143,122,64,.2); }
.radio-row { display: flex; gap: 10px; }
.radio-row .check-item { flex: 1; }

.consent-box {
  border: 1px solid #d8d2c2; background: #FDFCF8;
  padding: 20px; margin: 34px 0 30px;
}
.consent-box .check-item label { border: none; background: none; justify-content: flex-start; min-height: 0; padding: 0; font-size: 13.5px; }
.consent-box .check-item label::before {
  content: ""; width: 18px; height: 18px; border: 1px solid #8f7a40; flex: none;
  transition: background .3s; margin-right: 4px;
}
.consent-box .check-item input:checked + label::before {
  background: #8f7a40 url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 18 18"><path d="M4 9.5l3 3 7-7" stroke="%23F4F1E8" stroke-width="1.6" fill="none"/></svg>') center/14px no-repeat;
}
.consent-box .check-item input:checked + label { background: none; }
.consent-box .plink { text-decoration: underline; text-underline-offset: 3px; color: #7c6a38; }

.form-actions { display: flex; gap: 16px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.btn-submit {
  background: #8f7a40; color: var(--paper-2); border: 1px solid #8f7a40;
  min-height: 58px; padding: 14px 60px; font-size: 14px; letter-spacing: .2em;
  transition: background .4s, opacity .3s;
}
.btn-submit:hover { background: #7c6a38; }
.btn-submit:disabled { opacity: .45; cursor: not-allowed; }
.btn-back { background: none; border: 1px solid #c9c3b2; color: #8a857a; min-height: 58px; padding: 14px 40px; font-size: 13px; letter-spacing: .14em; }
.btn-back:hover { border-color: #8a857a; }

/* 確認テーブル */
.confirm-table { width: 100%; border-collapse: collapse; margin-bottom: 10px; }
.confirm-table th, .confirm-table td {
  text-align: left; font-weight: 400; font-size: 13.5px;
  padding: 15px 6px; border-bottom: 1px solid #E2DCCB;
  letter-spacing: .06em; vertical-align: top;
}
.confirm-table th { color: #9a958a; width: 11em; }
.confirm-table td { color: var(--sumi); white-space: pre-wrap; }

.form-view { display: none; }
.form-view.active { display: block; }
.done-box { text-align: center; padding: clamp(30px, 6vw, 60px) 0; }
.done-box .seal {
  width: 54px; height: 54px; margin: 0 auto 30px;
  border: 1px solid var(--shu); color: var(--shu);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 20px;
}
.done-box h2 { font-size: 22px; letter-spacing: .14em; margin-bottom: 18px; }
.done-box p { font-size: 14px; line-height: 2.3; color: var(--sumi-2); }

.form-note { font-size: 12px; color: #9a958a; line-height: 2.0; margin-top: 14px; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ---------- お知らせ ---------- */
.news-list { border-top: 1px solid rgba(143,122,64,.25); max-width: 820px; margin: 0 auto; }
.news-item {
  display: grid; grid-template-columns: 110px 92px 1fr; gap: 18px; align-items: baseline;
  padding: 24px 4px; border-bottom: 1px solid rgba(143,122,64,.25);
  font-size: 14px; letter-spacing: .06em;
}
.news-item .date { font-family: var(--en); font-size: 12px; color: #9a958a; letter-spacing: .12em; }
.news-item .cat { font-size: 10.5px; border: 1px solid rgba(143,122,64,.45); color: #8f7a40; text-align: center; padding: 3px 6px; letter-spacing: .12em; }
.empty-state {
  text-align: center; padding: clamp(60px, 10vw, 110px) 0;
  border-top: 1px solid rgba(143,122,64,.25); border-bottom: 1px solid rgba(143,122,64,.25);
}
.empty-state .mark { font-family: var(--en); font-size: 11px; letter-spacing: .3em; color: #8f7a40; margin-bottom: 20px; }
.empty-state p { font-family: var(--serif); font-size: 14.5px; color: var(--sumi-2); letter-spacing: .1em; }

/* ---------- 会社情報・プライバシー ---------- */
.def-table { width: 100%; border-collapse: collapse; max-width: 820px; margin: 0 auto; }
.def-table th, .def-table td {
  text-align: left; font-weight: 400; font-size: 14px;
  padding: 20px 8px; border-bottom: 1px solid #E2DCCB;
  letter-spacing: .06em; line-height: 1.9; vertical-align: top;
}
.def-table th { color: #9a958a; width: 11em; }
.prose { max-width: 820px; margin: 0 auto; }
.prose h2 { font-size: 19px; letter-spacing: .1em; margin: 46px 0 16px; padding-left: 16px; border-left: 2px solid #8f7a40; line-height: 1.7; }
.prose p, .prose li { font-size: 13.5px; line-height: 2.2; color: var(--sumi-2); letter-spacing: .05em; }
.prose ul { padding-left: 1.2em; }
.prose ul li { list-style: disc; margin: 4px 0; }

/* ---------- 404 ---------- */
.nf-wrap { min-height: 82svh; display: flex; align-items: center; justify-content: center; text-align: center; }
.nf-wrap .code { font-family: var(--en); font-size: clamp(60px, 10vw, 110px); color: var(--gold); letter-spacing: .18em; line-height: 1; margin-bottom: 24px; }
.nf-wrap h1 { font-size: 19px; letter-spacing: .14em; margin-bottom: 14px; }
.nf-wrap p { font-size: 13px; color: var(--mute); margin-bottom: 40px; }

/* ---------- リビール（JS有効時のみ初期非表示＝noscript/クローラでは常に表示） ---------- */
html.js .rev { opacity: 0; transform: translateY(26px); transition: opacity 1s cubic-bezier(.22,1,.36,1), transform 1s cubic-bezier(.22,1,.36,1); }
html.js .rev.in { opacity: 1; transform: none; }
html.js .rev-group > * { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.22,1,.36,1), transform .9s cubic-bezier(.22,1,.36,1); }
html.js .rev-group.in > * { opacity: 1; transform: none; }
.rev-group.in > *:nth-child(2) { transition-delay: .08s; }
.rev-group.in > *:nth-child(3) { transition-delay: .16s; }
.rev-group.in > *:nth-child(4) { transition-delay: .24s; }
.rev-group.in > *:nth-child(5) { transition-delay: .32s; }
.rev-group.in > *:nth-child(6) { transition-delay: .4s; }
.rev-group.in > *:nth-child(7) { transition-delay: .48s; }

@media (prefers-reduced-motion: reduce) {
  .rev, .rev-group > * { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hero-scroll::after { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 1020px) {
  .flow-list { grid-template-columns: repeat(3, 1fr); }
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  body { font-size: 14px; }
  .header-nav { display: none; }
  .menu-toggle { display: block; }
  .sp-fixed-cta { display: block; }

  .hero { min-height: 560px; }
  .hero-inner { align-self: flex-end; padding-bottom: clamp(64px, 12vh, 104px); }
  .hero-copy { position: relative; z-index: 2; }
  .hero-title { font-size: clamp(27px, 7.4vw, 34px); }
  .hero-sub { font-size: 12.5px; line-height: 2.15; }

  .problem-sec .statement { font-size: 15px; letter-spacing: .1em; }
  .problem-sec .statement .line.wrap-sp { white-space: normal; }
  .problem-sec .statement .wrap-sp .sp-line { display: block; }
  .two-col, .product-wrap { grid-template-columns: 1fr; }
  .reason-grid { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .spec-cell { padding: 18px 14px; }
  .flow-list { grid-template-columns: repeat(2, 1fr); }
  .scene-item { grid-template-columns: 1fr; gap: 8px; padding: 22px 2px; }
  .scene-item .go { margin-top: 4px; }
  .scene-detail { grid-template-columns: 1fr; }
  .scene-detail .side { position: static; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .check-grid { grid-template-columns: 1fr 1fr; }
  .form-step-nav .st { padding: 0 10px; font-size: 10px; }
  .form-step-nav .st + .st::after { display: none; }
  .news-item { grid-template-columns: 86px 1fr; }
  .news-item .cat { display: none; }
  .confirm-table th { width: 8em; }
  .def-table th { width: 7.5em; }
  body.has-spcta { padding-bottom: 72px; }
}