/* ==========================================================================
   博朗貿易株式会社 — Bolang Trading Co., Ltd.
   Design system / global stylesheet
   ========================================================================== */

/* --- Tokens ------------------------------------------------------------- */
:root {
  /* Brand */
  --ink:        #0a1322;
  --ink-2:      #101e33;
  --ink-3:      #18293f;
  --navy:       #16304f;
  --gold:       #c8a356;
  --gold-soft:  #e4cd94;
  --gold-deep:  #9b7a33;

  /* Neutrals */
  --paper:      #ffffff;
  --paper-2:    #f7f6f3;
  --paper-3:    #efede7;
  --line:       #e3e0d8;
  --line-dark:  rgba(255, 255, 255, .14);

  /* Text */
  --tx:         #15202e;
  --tx-2:       #4a5666;
  --tx-3:       #7b8694;
  --tx-inv:     #f4f2ed;
  --tx-inv-2:   rgba(244, 242, 237, .68);

  /* Type */
  --serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans:  "Noto Sans JP", -apple-system, "Hiragino Kaku Gothic ProN",
           "Yu Gothic", Meiryo, sans-serif;

  /* Metrics */
  --nav-h:   84px;
  --pad-x:   clamp(20px, 5vw, 72px);
  --maxw:    1240px;
  --radius:  2px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* --- Reset -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--tx);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.95;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; line-height: 1.5; }
p  { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--gold); color: #fff; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* --- Layout primitives -------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.section { padding-block: clamp(80px, 11vw, 150px); }
.section--tight { padding-block: clamp(64px, 8vw, 110px); }

.section--paper { background: var(--paper-2); }

.section--dark {
  background: var(--ink);
  color: var(--tx-inv);
  position: relative;
  overflow: hidden;
}
.section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 480px at 85% 0%, rgba(200, 163, 86, .14), transparent 65%),
    radial-gradient(700px 420px at 0% 100%, rgba(22, 48, 79, .85), transparent 70%);
  pointer-events: none;
}
.section--dark > * { position: relative; z-index: 1; }

/* --- Section heading ---------------------------------------------------- */
.shead { margin-bottom: clamp(40px, 5vw, 68px); }

.shead__num {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: .26em;
  color: var(--gold-deep);
  margin-bottom: 18px;
}
.shead__num::after {
  content: "";
  width: clamp(36px, 6vw, 72px);
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.section--dark .shead__num { color: var(--gold-soft); }

.shead__ttl {
  font-family: var(--serif);
  font-size: clamp(28px, 4.2vw, 46px);
  line-height: 1.45;
  letter-spacing: .04em;
  font-weight: 500;
}

.shead__en {
  display: block;
  margin-top: 10px;
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--tx-3);
}
.section--dark .shead__en { color: var(--tx-inv-2); }

.shead__lead {
  margin-top: 24px;
  max-width: 62ch;
  color: var(--tx-2);
  font-size: 15.5px;
}
.section--dark .shead__lead { color: var(--tx-inv-2); }

.shead--center { text-align: center; }
.shead--center .shead__num { justify-content: center; }
.shead--center .shead__num::before {
  content: "";
  width: clamp(36px, 6vw, 72px);
  height: 1px;
  background: linear-gradient(270deg, var(--gold), transparent);
}
.shead--center .shead__lead { margin-inline: auto; }

/* --- Buttons ------------------------------------------------------------ */
.btn {
  --bg: var(--ink);
  --fg: #fff;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 17px 34px;
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  letter-spacing: .14em;
  border: 1px solid var(--bg);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: color .45s var(--ease), border-color .45s var(--ease);
  cursor: pointer;
  font-family: inherit;
}
.btn span { position: relative; z-index: 1; }
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, var(--gold-deep), var(--gold));
  transform: translateY(101%);
  transition: transform .45s var(--ease);
}
.btn:hover::after { transform: translateY(0); }
.btn:hover { border-color: var(--gold); }

.btn__arrow {
  position: relative;
  z-index: 1;
  width: 22px;
  height: 1px;
  background: currentColor;
  transition: width .45s var(--ease);
}
.btn:hover .btn__arrow { width: 34px; }

.btn--gold { --bg: linear-gradient(100deg, var(--gold-deep), var(--gold)); border-color: var(--gold); }
.btn--gold::after { background: var(--ink); }

.btn--ghost {
  --bg: transparent;
  --fg: var(--tx);
  border-color: var(--line);
}
.section--dark .btn--ghost,
.hero .btn--ghost,
.phero .btn--ghost { --fg: var(--tx-inv); border-color: var(--line-dark); }
.btn--ghost:hover { --fg: #fff; }

/* --- Header / navigation ------------------------------------------------ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background .5s var(--ease), height .5s var(--ease),
              box-shadow .5s var(--ease), border-color .5s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav.is-solid {
  background: rgba(255, 255, 255, .93);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--line);
  height: 70px;
}

/* logo */
.logo { display: flex; align-items: center; gap: 13px; margin-right: auto; }
.logo__mark { width: 40px; height: 40px; flex: none; }
.logo__mark .bg   { fill: var(--gold); transition: fill .5s var(--ease); }
.logo__mark .ch   { fill: #fff; }
.logo__txt {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: .13em;
  color: #fff;
  transition: color .5s var(--ease);
  white-space: nowrap;
}
.logo__sub {
  display: block;
  font-family: var(--serif);
  font-size: 9px;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .5);
  transition: color .5s var(--ease);
}
.nav.is-solid .logo__txt { color: var(--tx); }
.nav.is-solid .logo__sub { color: var(--tx-3); }

/* links */
.nav__menu { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 34px); }
.nav__link {
  position: relative;
  font-size: 14px;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .86);
  padding-block: 6px;
  transition: color .4s var(--ease);
  white-space: nowrap;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .45s var(--ease);
}
.nav__link:hover::after,
.nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav.is-solid .nav__link { color: var(--tx-2); }
.nav.is-solid .nav__link:hover,
.nav.is-solid .nav__link.is-active { color: var(--tx); }

.nav__cta {
  padding: 12px 24px;
  font-size: 13px;
  letter-spacing: .12em;
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: color .4s var(--ease);
  white-space: nowrap;
}
.nav__cta::after {
  content: "";
  position: absolute; inset: 0;
  background: var(--gold);
  transform: translateY(101%);
  transition: transform .4s var(--ease);
}
.nav__cta span { position: relative; z-index: 1; }
.nav__cta:hover { color: #fff; }
.nav__cta:hover::after { transform: translateY(0); }
.nav.is-solid .nav__cta { color: var(--gold-deep); }

/* language switch */
.lang { display: flex; align-items: center; gap: 2px; flex: none; }
.lang__btn {
  background: none;
  border: 0;
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: .16em;
  padding: 6px 9px;
  color: rgba(255, 255, 255, .5);
  cursor: pointer;
  transition: color .3s var(--ease);
  white-space: nowrap;
}
.lang__btn.is-on { color: var(--gold-soft); }
.lang__sep { color: rgba(255, 255, 255, .25); font-size: 11px; }
.nav.is-solid .lang__btn { color: var(--tx-3); }
.nav.is-solid .lang__btn.is-on { color: var(--gold-deep); }
.nav.is-solid .lang__sep { color: var(--line); }

/* burger */
.burger {
  display: none;
  width: 44px; height: 44px;
  background: none; border: 0;
  cursor: pointer;
  position: relative;
}
.burger i {
  position: absolute;
  left: 11px;
  width: 22px; height: 1px;
  background: #fff;
  transition: transform .4s var(--ease), opacity .3s var(--ease), background .4s var(--ease);
}
.burger i:nth-child(1) { top: 17px; }
.burger i:nth-child(2) { top: 22px; }
.burger i:nth-child(3) { top: 27px; }
.nav.is-solid .burger i { background: var(--tx); }
.burger.is-on i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger.is-on i:nth-child(2) { opacity: 0; }
.burger.is-on i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--ink);
  padding: calc(var(--nav-h) + 24px) var(--pad-x) 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .7s var(--ease);
  visibility: hidden;
}
.drawer.is-open { clip-path: inset(0 0 0 0); visibility: visible; }
.drawer__link {
  font-family: var(--serif);
  font-size: 25px;
  letter-spacing: .08em;
  color: var(--tx-inv);
  padding-block: 16px;
  border-bottom: 1px solid var(--line-dark);
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.drawer__link em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--gold);
}
.drawer__foot { margin-top: 32px; color: var(--tx-inv-2); font-size: 13px; letter-spacing: .08em; }

/* --- Hero --------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--ink);
  color: var(--tx-inv);
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1100px 700px at 72% 18%, rgba(200, 163, 86, .20), transparent 62%),
    radial-gradient(900px 620px at 8% 92%, rgba(22, 48, 79, .95), transparent 68%),
    linear-gradient(160deg, #0a1322 0%, #0e1e33 48%, #0a1322 100%);
}
/* grid lines */
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(0deg,  rgba(255, 255, 255, .03) 1px, transparent 1px);
  background-size: clamp(90px, 12vw, 160px) clamp(90px, 12vw, 160px);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, #000 35%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 45%, #000 35%, transparent 100%);
}
/* drifting light sweep */
.hero__sweep {
  position: absolute;
  top: -40%;
  left: -30%;
  width: 60%;
  height: 180%;
  z-index: -1;
  background: linear-gradient(100deg, transparent, rgba(200, 163, 86, .10), transparent);
  transform: rotate(14deg);
  animation: sweep 14s var(--ease) infinite;
}
@keyframes sweep {
  0%, 100% { transform: translateX(0) rotate(14deg); opacity: .5; }
  50%      { transform: translateX(120%) rotate(14deg); opacity: 1; }
}

/* photographic layer */
.hero__photo {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.55) contrast(1.05) brightness(.62);
  transform: scale(1.06);
  animation: kenburns 24s var(--ease) infinite alternate;
}
@keyframes kenburns {
  from { transform: scale(1.06) translate3d(0, 0, 0); }
  to   { transform: scale(1.16) translate3d(-1.6%, -1.2%, 0); }
}
.hero__bg {
  background:
    radial-gradient(1100px 700px at 72% 18%, rgba(200, 163, 86, .22), transparent 62%),
    linear-gradient(105deg, rgba(10, 19, 34, .96) 0%, rgba(14, 30, 51, .86) 42%,
                    rgba(10, 19, 34, .62) 72%, rgba(10, 19, 34, .78) 100%);
}

.hero__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: calc(var(--nav-h) + 40px) var(--pad-x) 140px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--serif);
  font-size: 11.5px;
  letter-spacing: .36em;
  color: var(--gold-soft);
  margin-bottom: 30px;
}
.hero__eyebrow::before {
  content: "";
  width: 52px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.hero__ttl {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(34px, 6.4vw, 76px);
  line-height: 1.34;
  letter-spacing: .035em;
  margin-bottom: 34px;
}
.hero__ttl .l { display: block; overflow: hidden; }
.hero__ttl .l > span {
  display: block;
  transform: translateY(102%);
  animation: riseIn 1.15s var(--ease) forwards;
}
.hero__ttl .l:nth-child(1) > span { animation-delay: .15s; }
.hero__ttl .l:nth-child(2) > span { animation-delay: .3s; }
@keyframes riseIn { to { transform: translateY(0); } }

.hero__ttl .accent {
  background: linear-gradient(100deg, var(--gold-soft), var(--gold), var(--gold-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  max-width: 54ch;
  color: var(--tx-inv-2);
  font-size: clamp(14.5px, 1.3vw, 16.5px);
  line-height: 2.2;
  opacity: 0;
  animation: fadeUp 1s var(--ease) .6s forwards;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 46px;
  opacity: 0;
  animation: fadeUp 1s var(--ease) .78s forwards;
}

/* hero stat strip */
.hero__stats {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  border-top: 1px solid var(--line-dark);
  background: rgba(10, 19, 34, .45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  animation: fadeUp 1s var(--ease) .95s forwards;
}
.hero__stats ul {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.hero__stats li {
  padding: 22px 8px 22px 0;
  border-left: 1px solid var(--line-dark);
  padding-left: clamp(14px, 2vw, 28px);
}
.hero__stats li:first-child { border-left: 0; padding-left: 0; }
.hero__stats b {
  display: block;
  font-family: var(--serif);
  font-size: clamp(19px, 2.4vw, 28px);
  font-weight: 500;
  color: var(--gold-soft);
  line-height: 1.3;
}
.hero__stats b small {
  display: inline;
  font-size: .5em;
  letter-spacing: .06em;
  margin-left: 3px;
  color: inherit;
}
.hero__stats li > small {
  display: block;
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--tx-inv-2);
  margin-top: 4px;
}

/* vertical scroll cue */
.hero__cue {
  position: absolute;
  right: clamp(16px, 3vw, 44px);
  bottom: 150px;
  z-index: 2;
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: 10.5px;
  letter-spacing: .34em;
  color: var(--tx-inv-2);
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero__cue::after {
  content: "";
  width: 1px; height: 64px;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: cue 2.2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes cue {
  0%   { transform: scaleY(0); opacity: 0; }
  40%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* --- Page hero (sub pages) ---------------------------------------------- */
.phero {
  position: relative;
  background: var(--ink);
  color: var(--tx-inv);
  padding: calc(var(--nav-h) + clamp(70px, 10vw, 130px)) 0 clamp(60px, 8vw, 100px);
  overflow: hidden;
}
.phero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 520px at 78% 10%, rgba(200, 163, 86, .17), transparent 64%),
    linear-gradient(160deg, #0a1322, #0e1e33 60%, #0a1322);
}
.phero::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: clamp(90px, 12vw, 160px) 100%;
  mask-image: linear-gradient(90deg, transparent, #000 40%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 40%, transparent);
}
.phero__inner { position: relative; z-index: 1; }
.phero__en {
  font-family: var(--serif);
  font-size: 11.5px;
  letter-spacing: .4em;
  color: var(--gold-soft);
  display: block;
  margin-bottom: 16px;
}
.phero__ttl {
  font-family: var(--serif);
  font-size: clamp(30px, 5vw, 54px);
  letter-spacing: .06em;
  font-weight: 500;
}
.phero__lead {
  margin-top: 22px;
  max-width: 58ch;
  color: var(--tx-inv-2);
  font-size: 15px;
}

.crumb {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--tx-inv-2);
  margin-bottom: 26px;
}
.crumb span { color: var(--gold); }

/* --- Strength / feature cards ------------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: clamp(16px, 2vw, 26px);
}

.card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(30px, 3.4vw, 46px);
  overflow: hidden;
  transition: transform .55s var(--ease), box-shadow .55s var(--ease),
              border-color .55s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold-soft));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .6s var(--ease);
}
.card:hover { transform: translateY(-7px); box-shadow: 0 26px 60px -30px rgba(10, 19, 34, .4); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }

.card__num {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--gold-deep);
  display: block;
  margin-bottom: 22px;
}
.card__icon { width: 42px; height: 42px; margin-bottom: 22px; stroke: var(--navy); fill: none; stroke-width: 1.1; }
.card__ttl {
  font-family: var(--serif);
  font-size: clamp(18px, 1.7vw, 21px);
  letter-spacing: .05em;
  margin-bottom: 14px;
}
.card__txt { color: var(--tx-2); font-size: 14.5px; line-height: 2.05; }

.section--dark .card {
  background: rgba(255, 255, 255, .035);
  border-color: var(--line-dark);
}
.section--dark .card:hover { background: rgba(255, 255, 255, .06); box-shadow: none; }
.section--dark .card__txt { color: var(--tx-inv-2); }
.section--dark .card__icon { stroke: var(--gold-soft); }
.section--dark .card__num { color: var(--gold-soft); }

/* --- Business rows ------------------------------------------------------ */
.biz { display: grid; gap: clamp(18px, 2.2vw, 30px); }

.biz__item {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
  transition: box-shadow .55s var(--ease), border-color .55s var(--ease);
}
.biz__item:hover { box-shadow: 0 30px 70px -40px rgba(10, 19, 34, .45); border-color: var(--paper-3); }
.biz__item:nth-child(even) .biz__visual { order: 2; }

.biz__visual {
  position: relative;
  min-height: 300px;
  background: linear-gradient(150deg, var(--ink-2), var(--navy) 70%, var(--ink));
  overflow: hidden;
  display: grid;
  place-items: center;
}
.biz__visual::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(420px 260px at 70% 20%, rgba(200, 163, 86, .26), transparent 70%);
}
.biz__visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.biz__glyph {
  position: relative;
  z-index: 1;
  font-family: var(--serif);
  font-size: clamp(60px, 9vw, 108px);
  color: rgba(255, 255, 255, .1);
  letter-spacing: .1em;
  line-height: 1;
  user-select: none;
}
.biz__tag {
  position: absolute;
  left: 26px; top: 26px;
  z-index: 2;
  font-family: var(--serif);
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--gold-soft);
  padding: 7px 14px;
  border: 1px solid rgba(200, 163, 86, .45);
  border-radius: var(--radius);
}

.biz__body { padding: clamp(30px, 4vw, 58px); display: flex; flex-direction: column; justify-content: center; }
.biz__ttl {
  font-family: var(--serif);
  font-size: clamp(21px, 2.5vw, 30px);
  letter-spacing: .05em;
  line-height: 1.6;
  margin-bottom: 18px;
}
.biz__txt { color: var(--tx-2); font-size: 15px; margin-bottom: 26px; }
.biz__list { display: flex; flex-wrap: wrap; gap: 9px; }
.biz__list li {
  font-size: 12.5px;
  letter-spacing: .06em;
  padding: 6px 14px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--tx-2);
}

/* --- Flow --------------------------------------------------------------- */
.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  counter-reset: step;
}
.flow__item {
  position: relative;
  padding: clamp(28px, 3vw, 40px) clamp(20px, 2.2vw, 32px);
  border-left: 1px solid var(--line-dark);
}
.flow__item:first-child { border-left: 0; }
.flow__item::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--serif);
  font-size: clamp(34px, 4.4vw, 54px);
  color: rgba(200, 163, 86, .26);
  line-height: 1;
  display: block;
  margin-bottom: 20px;
}
.flow__ttl {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: .05em;
  margin-bottom: 12px;
}
.flow__txt { font-size: 14px; color: var(--tx-inv-2); line-height: 2; }

/* --- Spec table --------------------------------------------------------- */
.spec { width: 100%; border-collapse: collapse; }
.spec th, .spec td {
  padding: 22px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: 15px;
}
.spec th {
  width: 210px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--tx-3);
  font-size: 13.5px;
  padding-top: 25px;
}
.spec td { color: var(--tx); }
.spec tr:first-child th, .spec tr:first-child td { border-top: 1px solid var(--line); }

/* --- Split (message / access) ------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: clamp(32px, 6vw, 90px);
  align-items: start;
}

.vline {
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: clamp(17px, 1.9vw, 23px);
  letter-spacing: .22em;
  line-height: 2.2;
  color: var(--tx-2);
  margin-inline: auto;
}

.prose p { margin-bottom: 1.7em; color: var(--tx-2); font-size: 15.5px; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--tx); font-weight: 500; }
.prose__sign {
  margin-top: 36px;
  font-family: var(--serif);
  letter-spacing: .1em;
  color: var(--tx);
}
.prose__sign small { display: block; font-size: 12px; letter-spacing: .2em; color: var(--tx-3); margin-bottom: 6px; }

/* 手書き（筆）の署名 */
.sign-hand {
  display: inline-block;
  position: relative;
  margin-top: 10px;
  font-family: "Yuji Syuku", var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 3.6vw, 44px);
  line-height: 1.3;
  letter-spacing: .06em;
  color: #11182a;
  padding-bottom: 14px;
}
/* 筆跡の余韻をあらわす細い罫 */
.sign-hand::after {
  content: "";
  position: absolute;
  left: 2px; right: -18px; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--ink) 0%, var(--tx-3) 55%, transparent 100%);
  opacity: .45;
}

/* 実筆のスキャン画像に差し替える場合はこちら（README 参照） */
.sign-img {
  display: block;
  margin-top: 12px;
  width: auto;
  max-width: 260px;
  height: auto;
}

/* --- Contact ------------------------------------------------------------ */
.contact { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(32px, 5vw, 70px); }

.cinfo__block { padding-block: 24px; border-bottom: 1px solid var(--line); }
.cinfo__block:first-child { border-top: 1px solid var(--line); }
.cinfo__label { font-size: 11.5px; letter-spacing: .26em; color: var(--tx-3); margin-bottom: 8px; }
.cinfo__value { font-family: var(--serif); font-size: clamp(17px, 2vw, 22px); letter-spacing: .04em; }
.cinfo__value a:hover { color: var(--gold-deep); }
.cinfo__note { font-size: 13px; color: var(--tx-3); margin-top: 6px; }

/* 連絡手段カード */
.ccard {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  padding: clamp(28px, 3.4vw, 46px);
  margin-bottom: clamp(16px, 2vw, 22px);
  position: relative;
  overflow: hidden;
  transition: box-shadow .55s var(--ease);
}
.ccard:hover { box-shadow: 0 26px 60px -34px rgba(10, 19, 34, .38); }
.ccard::before {
  content: "";
  position: absolute; left: 0; top: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--gold), var(--gold-deep));
}
.ccard__label {
  display: flex; align-items: center; gap: 12px;
  font-size: 11.5px; letter-spacing: .26em; color: var(--tx-3);
  margin-bottom: 14px;
}
.ccard__label svg { width: 18px; height: 18px; stroke: var(--gold-deep); fill: none; stroke-width: 1.3; }
.ccard__value {
  font-family: var(--serif);
  font-size: clamp(20px, 2.6vw, 30px);
  letter-spacing: .02em;
  line-height: 1.45;
  word-break: break-word;
}
.ccard__value a { transition: color .3s var(--ease); }
.ccard__value a:hover { color: var(--gold-deep); }
.ccard__value--mail { font-size: clamp(17px, 4.6vw, 28px); }

.ccard__note { margin-top: 12px; font-size: 13.5px; color: var(--tx-3); line-height: 1.95; }
.ccard__act { margin-top: 26px; }

/* 記載内容のチェックリスト */
.checklist { margin-top: 18px; }
.checklist li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 9px;
  font-size: 14.5px;
  color: var(--tx-2);
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: .82em;
  width: 11px; height: 1px;
  background: var(--gold);
}

.form { display: grid; gap: 22px; }
.form__row { display: grid; gap: 22px; grid-template-columns: 1fr 1fr; }
.field { display: block; }
.field__label {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--tx-2);
  margin-bottom: 10px;
}
.field__label em {
  font-style: normal;
  font-size: 10px;
  letter-spacing: .1em;
  color: #b4443a;
  border: 1px solid currentColor;
  padding: 1px 6px;
  border-radius: 2px;
}
.field input, .field textarea, .field select {
  width: 100%;
  padding: 15px 16px;
  font-family: inherit;
  font-size: 15px;
  color: var(--tx);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .35s var(--ease), box-shadow .35s var(--ease);
}
.field textarea { min-height: 170px; resize: vertical; line-height: 1.9; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: 0;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200, 163, 86, .14);
}
.form__note { font-size: 12.5px; color: var(--tx-3); line-height: 1.9; }

/* --- Legal (privacy policy) --------------------------------------------- */
.legal { max-width: 860px; }
.legal__sec { margin-bottom: clamp(36px, 4vw, 54px); }
.legal__sec:last-child { margin-bottom: 0; }
.legal__h {
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 23px);
  letter-spacing: .05em;
  line-height: 1.6;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.legal__h::after {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 44px; height: 1px;
  background: var(--gold);
}
.legal p { color: var(--tx-2); font-size: 15px; margin-bottom: 1.3em; }
.legal p:last-child { margin-bottom: 0; }
.legal__list { margin: 0 0 1.3em; }
.legal__list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  color: var(--tx-2);
  font-size: 15px;
}
.legal__list li::before {
  content: "";
  position: absolute;
  left: 0; top: .9em;
  width: 11px; height: 1px;
  background: var(--gold);
}
.legal__date {
  margin-top: 30px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--tx-3);
}

/* --- CTA band ----------------------------------------------------------- */
.cta { position: relative; text-align: center; }
.cta__ttl {
  font-family: var(--serif);
  font-size: clamp(25px, 3.8vw, 44px);
  letter-spacing: .05em;
  line-height: 1.55;
  margin-bottom: 22px;
}
.cta__txt { color: var(--tx-inv-2); max-width: 54ch; margin-inline: auto; font-size: 15px; }
.cta__acts { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 42px; }

/* --- Footer ------------------------------------------------------------- */
.foot {
  background: #060d18;
  color: var(--tx-inv-2);
  padding-top: clamp(56px, 7vw, 86px);
  border-top: 1px solid var(--line-dark);
}
.foot__top {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 1fr));
  gap: clamp(30px, 4vw, 60px);
  padding-bottom: clamp(44px, 5vw, 64px);
}
.foot .logo__txt { color: var(--tx-inv); }
.foot__about { margin-top: 22px; font-size: 13.5px; line-height: 2.1; max-width: 40ch; }
.foot__h {
  font-family: var(--serif);
  font-size: 11.5px;
  letter-spacing: .3em;
  color: var(--gold-soft);
  margin-bottom: 20px;
}
.foot__list li { margin-bottom: 12px; font-size: 13.5px; }
.foot__list a { transition: color .3s var(--ease); }
.foot__list a:hover { color: var(--gold-soft); }
.foot__bottom {
  border-top: 1px solid var(--line-dark);
  padding-block: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 11.5px;
  letter-spacing: .1em;
}

/* --- Photo blocks ------------------------------------------------------- */
.phero__photo {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(.5) brightness(.55) contrast(1.05);
}
.phero--photo::before {
  background:
    radial-gradient(900px 520px at 78% 10%, rgba(200, 163, 86, .18), transparent 64%),
    linear-gradient(100deg, rgba(10, 19, 34, .95) 0%, rgba(14, 30, 51, .8) 55%, rgba(10, 19, 34, .7) 100%);
}

/* framed figure (about block) */
.figure { position: relative; }
.figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}
.figure::after {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  z-index: -1;
}
.figure__cap {
  margin-top: 26px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--tx-3);
}

/* dark CTA band with photo */
.cta--photo { background: var(--ink); }
.cta--photo .cta__photo {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(.45) brightness(.45);
  z-index: 0;
}
.cta--photo::before {
  content: "";
  position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(800px 420px at 50% 100%, rgba(200, 163, 86, .22), transparent 70%),
    linear-gradient(180deg, rgba(10, 19, 34, .9), rgba(10, 19, 34, .78));
}
.cta--photo .wrap { position: relative; z-index: 2; }

/* access / map */
.access {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(26px, 3vw, 44px);
  align-items: center;
}
.map {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-2);
}
.map iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(.2) contrast(1.03);
}
/* 住所バー */
.map__addr {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 14px 18px;
  background: rgba(10, 19, 34, .86);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--tx-inv);
  font-family: var(--serif);
  font-size: 14.5px;
  letter-spacing: .04em;
  line-height: 1.7;
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: none;
}
.map__addr svg {
  width: 20px; height: 20px; flex: none;
  stroke: var(--gold); fill: none; stroke-width: 1.3;
}

@media (max-width: 900px) { .access { grid-template-columns: 1fr; } }
@media (max-width: 680px) { .map { aspect-ratio: 1 / 1; } .map__addr { font-size: 13px; padding: 12px 14px; } }

/* --- Reveal animation --------------------------------------------------- */
.rv {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.rv.is-in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .1s; }
.rv-d2 { transition-delay: .2s; }
.rv-d3 { transition-delay: .3s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .rv { opacity: 1; transform: none; }
  .hero__ttl .l > span { transform: none; }
  .hero__lead, .hero__acts, .hero__stats { opacity: 1; }
}

/* --- Responsive --------------------------------------------------------- */
@media (max-width: 1080px) {
  .biz__item { grid-template-columns: 1fr; }
  .biz__item:nth-child(even) .biz__visual { order: 0; }
  .biz__visual { min-height: 230px; }
  .split, .contact { grid-template-columns: 1fr; }
  .vline { writing-mode: horizontal-tb; margin-inline: 0; }
}

@media (max-width: 900px) {
  :root { --nav-h: 70px; }
  .nav__menu, .nav__cta { display: none; }
  .burger { display: block; flex: none; margin-right: -11px; }
  .nav__inner { gap: 10px; }
  .logo { gap: 10px; min-width: 0; }
  .logo__mark { width: 32px; height: 32px; }
  .logo__txt { font-size: 14.5px; letter-spacing: .07em; }
  .logo__sub { font-size: 8px; letter-spacing: .22em; }
  .lang__btn { padding: 6px 5px; font-size: 11px; }
  .foot__top { grid-template-columns: 1fr 1fr; }
  .foot__brand { grid-column: 1 / -1; }
  .flow__item { border-left: 0; border-top: 1px solid var(--line-dark); }
  .flow__item:first-child { border-top: 0; }
  .hero__cue { display: none; }
}

@media (max-width: 400px) {
  .logo__sub { display: none; }
  .logo__txt { font-size: 13.5px; }
}

@media (max-width: 680px) {
  /* ボタンは縦積み・幅をそろえる（左端のガタつきを防ぐ） */
  .hero__acts, .cta__acts {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .btn {
    width: 100%;
    max-width: 420px;
    justify-content: center;
    padding-inline: 20px;
  }
  .cta__acts .btn { margin-inline: auto; }
}

@media (max-width: 680px) {
  body { font-size: 15px; }
  .hero__inner { padding-bottom: 180px; }
  .hero__stats ul { grid-template-columns: 1fr 1fr; }
  .hero__stats li:nth-child(3) { border-left: 0; padding-left: 0; }
  .hero__stats li:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .form__row { grid-template-columns: 1fr; }
  .spec th, .spec td { display: block; width: 100%; }
  .spec th { border-bottom: 0; padding-bottom: 0; }
  .spec td { padding-top: 6px; }
  .spec tr:first-child td { border-top: 0; }
  .foot__top { grid-template-columns: 1fr; }
  .foot__bottom { flex-direction: column; }
}