/* ================================================================
   林子国際株式会社 — Corporate Site
   ================================================================ */
:root {
  --bg: #fbfaf7;
  --bg-soft: #f3efe7;
  --white: #ffffff;
  --ink: #1a2430;
  --ink-2: #141c26;
  --sub: #5c6672;
  --accent: #a5814f;
  --accent-d: #8a6a3e;
  --line: #e9e3d7;
  --dark-line: rgba(255, 255, 255, .16);
  --serif: "Shippori Mincho", "Noto Serif SC", "Noto Serif JP", serif;
  --sans: "Noto Sans JP", "Noto Sans SC", -apple-system, sans-serif;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: .04em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
.wrap { width: min(1120px, 88vw); margin-inline: auto; }


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

/* ---------------- typography helpers ---------------- */
.en-label {
  display: flex; align-items: center; gap: .9em;
  font-size: .72rem; font-weight: 500;
  letter-spacing: .32em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1.2em;
}
.en-label::before {
  content: ""; width: 2.4em; height: 1px; background: var(--accent);
}
.en-label-light { color: rgba(255,255,255,.85); }
.en-label-light::before { background: var(--accent); }

.sec-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  letter-spacing: .1em; line-height: 1.5;
}
.sec-lead { margin-top: 1.2em; color: var(--sub); }
.sec-head { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.lead-text { color: var(--sub); margin-top: 1.6em; }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 1em 2.6em; border: 1px solid var(--ink);
  font-size: .8rem; letter-spacing: .18em; font-weight: 500;
  transition: background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
  background: transparent; cursor: pointer;
}
.btn:hover { background: var(--ink); color: #fff; }
.btn-solid { background: var(--ink-2); border-color: var(--ink-2); color: #fff; }
.btn-solid:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-small { padding: .7em 1.8em; font-size: .74rem; }
.btn-outline-light { border-color: rgba(255,255,255,.7); color: #fff; }
.btn-outline-light:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-submit { width: 100%; margin-top: 2.2rem; }

.link-more {
  display: inline-flex; align-items: center; gap: .8em;
  margin-top: 2.2em; font-size: .8rem; letter-spacing: .2em;
  color: var(--accent-d); font-weight: 500;
}
.link-more svg { width: 24px; transition: transform .35s var(--ease); }
.link-more:hover svg { transform: translateX(6px); }

/* ---------------- header ---------------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), color .4s var(--ease);
  color: #fff;
}
.header-inner {
  width: min(1120px, 88vw); margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.site-header.is-scrolled {
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--ink);
  box-shadow: 0 1px 0 var(--line);
}
.brand { display: flex; align-items: center; gap: .9em; }
.brand-mark {
  position: relative; width: 54px; height: 40px;
  flex-shrink: 0; display: block;
}
.brand-mark-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; transition: opacity .35s var(--ease);
}
.brand-mark-light { opacity: 1; }
.brand-mark-dark { opacity: 0; }
.site-header.is-scrolled .brand-mark-light { opacity: 0; }
.site-header.is-scrolled .brand-mark-dark { opacity: 1; }
.brand-text { display: flex; flex-direction: column; line-height: 1.3; }
.brand-ja { font-family: var(--serif); font-size: 1.02rem; font-weight: 600; letter-spacing: .12em; }
.brand-en { font-size: .58rem; letter-spacing: .22em; opacity: .75; }

.gnav { display: flex; align-items: center; gap: 2.4rem; }
.gnav-list { display: flex; gap: 2.2rem; }
.gnav-list a {
  font-size: .84rem; letter-spacing: .14em; position: relative; padding: .4em 0;
}
.gnav-list a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease);
}
.gnav-list a:hover::after, .gnav-list .is-current a::after {
  transform: scaleX(1); transform-origin: left;
}
.gnav-extra { display: flex; align-items: center; gap: 1.6rem; }
.lang-switch { display: flex; align-items: center; gap: .9em; font-size: .78rem; letter-spacing: .1em; }
.lang-cur { opacity: .55; }
.lang-link {
  border: 1px solid currentColor; padding: .25em 1em; border-radius: 999px;
  opacity: .85; transition: opacity .3s, background .3s, color .3s;
}
.lang-link:hover { opacity: 1; background: var(--accent); border-color: var(--accent); color: #fff; }

.nav-toggle {
  display: none; width: 46px; height: 46px; border: none; background: none;
  cursor: pointer; position: relative; z-index: 110;
}
.nav-toggle span {
  display: block; width: 26px; height: 1.5px; margin: 6px auto;
  background: currentColor; transition: transform .35s var(--ease), opacity .3s;
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------------- hero ---------------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; }
.hero-bg, .page-hero .hero-bg { position: absolute; inset: 0; overflow: hidden; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.kenburns { animation: kenburns 16s var(--ease) both; }
@keyframes kenburns { from { transform: scale(1.1); } to { transform: scale(1); } }
.hero-overlay, .page-hero .hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(251,250,247,.35), rgba(251,250,247,0) 16%),
    linear-gradient(to right, rgba(251,250,247,.55), rgba(251,250,247,.24) 30%, rgba(251,250,247,0) 55%);
}
.hero-inner { position: relative; z-index: 2; color: var(--ink); padding-bottom: clamp(140px, 40vh, 400px); }
.hero-label {
  font-size: .78rem; letter-spacing: .3em; color: #3d4753;
  border-left: 2px solid var(--accent); padding-left: 1.2em; margin-bottom: 2em;
}
.hero-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.5rem, 6.5vw, 4.6rem);
  letter-spacing: .08em; line-height: 1.3;
  color: var(--ink);
  text-shadow: 0 2px 26px rgba(255,255,255,.75);
}
.hero-sub {
  margin-top: 2em; font-size: clamp(.82rem, 1.4vw, .95rem);
  color: #333d49; line-height: 2.2;
  text-shadow: 0 1px 14px rgba(255,255,255,.85);
}
.hero-scroll {
  position: absolute; bottom: 0; left: 50%; z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: .8em;
  color: rgba(26,36,48,.55); font-size: .62rem; letter-spacing: .35em;
  writing-mode: vertical-rl; padding-bottom: 0;
}
.hero-scroll::after {
  content: ""; width: 1px; height: 72px; background: rgba(26,36,48,.35);
  animation: scrollLine 2.2s var(--ease) infinite;
  transform-origin: top;
}
@keyframes scrollLine {
  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; }
}

/* home hero：白色文字 + 局部暗角（仅首页，子页仍为浅色） */
.hero .hero-overlay {
  background:
    linear-gradient(to bottom, rgba(11,19,29,.52) 0%, rgba(11,19,29,.18) 10%, rgba(11,19,29,0) 20%),
    linear-gradient(to top, rgba(11,19,29,.62) 0%, rgba(11,19,29,.38) 30%, rgba(11,19,29,.12) 52%, rgba(11,19,29,0) 66%),
    linear-gradient(to right, rgba(11,19,29,.30) 0%, rgba(11,19,29,.08) 32%, rgba(11,19,29,0) 58%);
}
.hero .hero-inner { color: #fff; }
.hero .hero-label { color: rgba(255,255,255,.86); }
.hero .hero-title { color: #fff; text-shadow: 0 2px 30px rgba(0,0,0,.35); }
.hero .hero-sub { color: rgba(255,255,255,.95); text-shadow: 0 1px 14px rgba(0,0,0,.70), 0 0 2px rgba(0,0,0,.40); }
.hero-scroll { color: rgba(255,255,255,.78); }
.hero-scroll::after { background: rgba(255,255,255,.55); }

/* ---------------- page hero (sub pages) ---------------- */
.page-hero { position: relative; min-height: 42vh; display: flex; align-items: flex-end; }
.page-hero .hero-overlay {
  background:
    linear-gradient(to bottom, rgba(10,18,28,.55) 0%, rgba(10,18,28,.20) 12%, rgba(10,18,28,0) 24%),
    linear-gradient(to right, rgba(10,18,28,.62) 0%, rgba(10,18,28,.46) 34%, rgba(10,18,28,.18) 64%, rgba(10,18,28,.06) 100%),
    linear-gradient(to top, rgba(10,18,28,.58) 0%, rgba(10,18,28,.34) 26%, rgba(10,18,28,0) 56%);
}
.page-hero-inner { position: relative; z-index: 2; color: #fff; padding: calc(76px + 5vh) 0 5vh; }
.page-hero-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.9rem, 4.5vw, 3rem); letter-spacing: .12em;
  color: #fff; text-shadow: 0 2px 22px rgba(0,0,0,.55), 0 1px 2px rgba(0,0,0,.30);
}
.page-hero-sub { margin-top: 1em; font-size: .84rem; color: rgba(255,255,255,.92); text-shadow: 0 1px 12px rgba(0,0,0,.70), 0 0 2px rgba(0,0,0,.45); }
.page-hero .en-label-light { text-shadow: 0 1px 10px rgba(0,0,0,.45); }

/* ---------------- sections ---------------- */
.sec { padding: clamp(76px, 10vw, 130px) 0; }
.sec-about { background: var(--white); }
.about-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(2.5rem, 6vw, 5.5rem); align-items: center;
}
.about-fig { position: relative; }
.about-fig img { aspect-ratio: 4 / 3.4; object-fit: cover; }
.about-fig::after {
  content: ""; position: absolute; inset: 14px -14px -14px 14px;
  border: 1px solid var(--accent); z-index: -1;
}
.about-fig-cap {
  position: absolute; top: 18px; left: -1.2em; writing-mode: vertical-rl;
  font-size: .62rem; letter-spacing: .4em; color: var(--accent);
  background: var(--white); padding: 1em .3em;
}

/* business cards */
.biz-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.4rem, 2.5vw, 2.2rem);
}
.b-card {
  position: relative; background: var(--white);
  border: 1px solid var(--line); display: flex; flex-direction: column;
  transition: box-shadow .5s var(--ease), transform .5s var(--ease);
}
.b-card:hover { box-shadow: 0 24px 50px -20px rgba(20,28,38,.25); transform: translateY(-6px); }
.b-num {
  position: absolute; top: 0; left: 0; z-index: 2;
  font-family: var(--serif); font-size: 1rem; letter-spacing: .1em;
  background: var(--ink-2); color: #fff; padding: .5em 1.1em;
}
.b-img { overflow: hidden; aspect-ratio: 16 / 10; }
.b-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.b-card:hover .b-img img { transform: scale(1.07); }
.b-body { padding: 1.7rem 1.6rem 1.9rem; display: flex; flex-direction: column; flex: 1; }
.b-title { font-family: var(--serif); font-size: 1.12rem; font-weight: 600; letter-spacing: .1em; }
.b-text { margin-top: .9em; font-size: .82rem; color: var(--sub); flex: 1; }
.b-more {
  display: inline-flex; align-items: center; gap: .7em;
  margin-top: 1.6em; font-size: .72rem; letter-spacing: .22em; color: var(--accent-d);
}
.b-more svg { width: 22px; transition: transform .35s var(--ease); }
.b-card:hover .b-more svg { transform: translateX(5px); }

/* strengths */
.sec-str { background: var(--bg-soft); color: var(--ink); }
.sec-str .sec-title { color: var(--ink); }
.str-list { border-top: 1px solid var(--ink); }
.str-item {
  display: grid; grid-template-columns: 110px 1fr; gap: 1.5rem;
  padding: 2.2rem 0; border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.str-num {
  font-family: var(--serif); font-size: 2rem; color: var(--accent);
  letter-spacing: .08em;
}
.str-title {
  font-family: var(--serif); font-weight: 500; font-size: 1.2rem; letter-spacing: .12em;
}
.str-text { margin-top: .7em; font-size: .84rem; color: var(--sub); max-width: 40em; }

/* CTA band */
.band { background: linear-gradient(120deg, #eee2cd, #f8f2e6 62%); color: var(--ink); padding: clamp(3.4rem, 6vw, 5.5rem) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band-inner { display: flex; align-items: center; justify-content: space-between; gap: 2.5rem; flex-wrap: wrap; }
.band-title { font-family: var(--serif); font-weight: 500; font-size: clamp(1.3rem, 2.6vw, 1.8rem); letter-spacing: .1em; line-height: 1.7; }
.band-tel { margin-top: 1em; font-size: 1.05rem; letter-spacing: .08em; }
.band-tel-label {
  font-size: .62rem; letter-spacing: .3em; color: var(--accent);
  margin-right: 1em; vertical-align: .25em;
}
.band-tel a:hover { color: var(--accent-d); }

/* ---------------- footer ---------------- */
.site-footer { background: #f2ece1; color: var(--ink); font-size: .8rem; border-top: 1px solid var(--line); }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 3rem; padding: 4.2rem 0 3.4rem;
}
.footer-mark { width: 62px; height: auto; margin-bottom: 1.1rem; display: block; }
.footer-logo { font-family: var(--serif); font-size: 1.25rem; letter-spacing: .14em; font-weight: 600; }
.footer-catch { margin-top: .8em; color: var(--sub); letter-spacing: .12em; }
.footer-en { margin-top: 1.4em; font-size: .6rem; letter-spacing: .28em; color: rgba(26,36,48,.42); }
.footer-nav ul { display: grid; gap: .9em; }
.footer-nav a { color: var(--sub); transition: color .3s; letter-spacing: .12em; }
.footer-nav a:hover { color: var(--accent-d); }
.footer-info dl div { display: flex; gap: 1.2em; padding: .35em 0; }
.footer-info dt { color: var(--accent-d); font-size: .7rem; letter-spacing: .2em; flex-shrink: 0; padding-top: .15em; }
.footer-info dd { color: var(--sub); }
.footer-info a:hover { color: var(--accent-d); }
.footer-lang { margin-top: 1.4rem; }
.footer-lang .lang-cur, .footer-lang .lang-link { color: var(--ink); }
.footer-bottom { border-top: 1px solid var(--line); padding: 1.3rem 0; }
.footer-bottom p { font-size: .68rem; letter-spacing: .14em; color: rgba(26,36,48,.45); text-align: center; }

/* ---------------- business detail ---------------- */
.biz-block-sec { padding-top: clamp(60px, 8vw, 100px); }
.biz-block-sec:first-of-type { padding-top: 0; }
.biz-block {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2.4rem, 5vw, 4.5rem); align-items: center;
}
.biz-rev .biz-fig { order: 2; }
.biz-rev .biz-copy { order: 1; }
.biz-fig { position: relative; }
.biz-fig img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.biz-fig-num {
  position: absolute; bottom: -1.4rem; right: -0.6rem;
  font-family: var(--serif); font-size: clamp(3.4rem, 6vw, 5rem);
  color: transparent; -webkit-text-stroke: 1px var(--accent);
  line-height: 1; letter-spacing: .05em;
}
.biz-title { font-family: var(--serif); font-weight: 500; font-size: clamp(1.4rem, 2.6vw, 1.9rem); letter-spacing: .1em; }
.biz-lead { margin-top: .9em; font-family: var(--serif); color: var(--accent-d); letter-spacing: .1em; font-size: .95rem; }
.dot-list { margin-top: 1.8em; display: grid; gap: .7em; }
.dot-list li { display: flex; align-items: baseline; gap: 1em; font-size: .88rem; }
.li-dot {
  width: 7px; height: 7px; background: var(--accent);
  transform: rotate(45deg); flex-shrink: 0; transform-origin: center;
  position: relative; top: -2px;
}

.sec-flow { background: var(--bg-soft); }
.flow-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; counter-reset: flow; }
.flow-item {
  background: var(--white); border: 1px solid var(--line);
  padding: 1.8rem 1.5rem; text-align: center; position: relative;
}
.flow-item:not(:last-child)::after {
  content: ""; position: absolute; top: 50%; right: -1.05rem;
  width: .65rem; height: .65rem; border-top: 1px solid var(--accent);
  border-right: 1px solid var(--accent);
  transform: translateY(-50%) rotate(45deg);
}
.flow-num { display: block; font-family: var(--serif); color: var(--accent); font-size: .95rem; letter-spacing: .2em; }
.flow-name { display: block; margin-top: .5em; font-family: var(--serif); font-size: 1.02rem; letter-spacing: .12em; font-weight: 500; }

/* ---------------- about ---------------- */
.about-layout {
  display: grid; grid-template-columns: minmax(190px, .62fr) 1.38fr;
  gap: clamp(2rem, 5vw, 4.6rem); align-items: start;
}
.about-layout .sec-head { margin-bottom: 0; }
.about-layout .lead-text { margin-top: 0; max-width: 40em; }
.spec-table { border-top: 1px solid var(--ink); }
.spec-row {
  display: grid; grid-template-columns: 176px 1fr; gap: 1.5rem;
  padding: 1.4rem .4rem; border-bottom: 1px solid var(--line);
}
.spec-row dt { font-weight: 600; letter-spacing: .14em; font-size: .86rem; }
.spec-row dd { color: var(--sub); font-size: .88rem; }
.sec-vision { background: var(--white); }
.sec-access .map-frame { border: 1px solid var(--line); padding: 10px; background: var(--white); }
.map-frame iframe { width: 100%; height: 420px; display: block; filter: saturate(.85); }

/* ---------------- contact ---------------- */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(2.5rem, 5vw, 5rem); align-items: start; }
.info-list { border-top: 1px solid var(--ink); }
.info-list div { display: grid; grid-template-columns: 88px 1fr; gap: 1rem; padding: 1.1rem .2rem; border-bottom: 1px solid var(--line); }
.info-list dt { font-size: .72rem; letter-spacing: .22em; color: var(--accent-d); font-weight: 600; padding-top: .35em; }
.info-list dd { font-size: .88rem; color: var(--sub); }
.info-list a:hover { color: var(--accent-d); }

.contact-panel {
  background: var(--white); border: 1px solid var(--line);
  padding: clamp(1.8rem, 3.4vw, 3rem);
  position: relative;
}
.contact-panel::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 56px; height: 2px; background: var(--accent);
}
.contact-panel-label {
  font-size: .72rem; font-weight: 600; letter-spacing: .24em;
  color: var(--accent-d); margin-bottom: 1em;
}
.contact-mail {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.15rem, 2.9vw, 1.85rem);
  letter-spacing: .05em; line-height: 1.5;
  word-break: break-all;
}
.contact-mail a { border-bottom: 1px solid var(--line); padding-bottom: .12em; transition: border-color .3s, color .3s; }
.contact-mail a:hover { border-color: var(--accent); color: var(--accent-d); }
.contact-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.contact-actions .btn { flex: 1 1 auto; min-width: 168px; padding-inline: 1.4em; gap: .7em; }
.ico-copy { width: 16px; height: 16px; flex-shrink: 0; }
.copy-btn.is-copied { background: var(--accent); border-color: var(--accent); }
.contact-note { margin-top: 1.4rem; font-size: .78rem; color: var(--sub); line-height: 1.9; }
.contact-tel { margin-top: 2.2rem; padding-top: 1.8rem; border-top: 1px solid var(--line); }
.contact-tel-num {
  font-family: var(--serif); font-size: clamp(1.15rem, 2.6vw, 1.6rem);
  letter-spacing: .06em; color: var(--ink);
}
.contact-tel-num:hover { color: var(--accent-d); }

/* ---------------- 404 ---------------- */

/* ---------------- reveal animation ---------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .kenburns { animation: none; }
}

/* ---------------- responsive ---------------- */
@media (max-width: 1000px) {
  .gnav { gap: 1.6rem; }
  .gnav-list { gap: 1.5rem; }
}

@media (max-width: 960px) {
  .about-grid, .about-layout, .biz-block, .contact-grid { grid-template-columns: 1fr; }
  .biz-rev .biz-fig { order: 0; }
  .biz-rev .biz-copy { order: 1; }
  .biz-grid { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .flow-list { grid-template-columns: repeat(2, 1fr); }
  .flow-item:nth-child(2)::after { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.4rem; }
  .str-item { grid-template-columns: 64px 1fr; }
}

@media (max-width: 820px) {
  /* 手机上图片裁切后底图更杂，加强底部暗角保证白字可读 */
  .hero .hero-overlay {
    background: linear-gradient(to top, rgba(11,19,29,.86) 0%, rgba(11,19,29,.62) 30%, rgba(11,19,29,.28) 58%, rgba(11,19,29,0) 82%);
  }
  .nav-toggle { display: block; }
  .gnav {
    position: fixed; inset: 0; z-index: 105;
    background: rgba(16,22,30,.98); color: #fff;
    flex-direction: column; align-items: flex-start; justify-content: center;
    padding: 0 10vw; gap: 3rem;
    opacity: 0; visibility: hidden; transition: opacity .45s var(--ease), visibility .45s;
  }
  .nav-open .gnav { opacity: 1; visibility: visible; }
  .gnav-list { flex-direction: column; gap: 1.6rem; }
  .gnav-list a { font-size: 1.15rem; font-family: var(--serif); letter-spacing: .2em; }
  .gnav-extra { flex-direction: column; align-items: flex-start; gap: 1.6rem; }
  .nav-open { overflow: hidden; }
  .nav-open .nav-toggle { color: #fff; }
  body.nav-open .site-header { background: transparent; box-shadow: none; }
}
@media (max-width: 560px) {
  body { font-size: 14px; }
  .brand { gap: .6em; }
  .brand-mark { width: 40px; height: 30px; }
  .brand-ja { font-size: .9rem; letter-spacing: .06em; white-space: nowrap; }
  .brand-en { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .spec-row { grid-template-columns: 1fr; gap: .2rem; }
  .flow-list { grid-template-columns: 1fr; }
  .flow-item::after { display: none !important; }
  .band-inner { flex-direction: column; align-items: flex-start; }
}