/* ==========================================================================
   FirstLine LLC — Corporate Site
   構成: 1) Tokens 2) Base 3) Header 4) Hero 5) Sections共通
         6) About 7) Services 8) Vision 9) Company 10) Contact 11) Footer
         12) Reveal(スクロール表示) 13) Responsive
   ========================================================================== */

/* 1) Design Tokens
   ------------------------------------------------------------------ */
:root {
  /* Colors */
  --color-bg: #FDFCF8;        /* ウォームホワイト */
  --color-bg-alt: #F4F1E8;    /* アイボリー */
  --color-primary: #7A9B76;   /* セージグリーン */
  --color-primary-deep: #5F7F5B;
  --color-primary-pale: #E9EFE7;
  --color-text: #2E2E2A;      /* 墨色 */
  --color-text-soft: #6B6B62;
  --color-line: #C9BFA8;      /* ベージュ(罫線・タグ) */
  --color-line-soft: #E3DECE;
  --color-hairline: rgba(46, 46, 42, 0.08); /* 極細罫線 */

  /* Shadow — 多層でやわらかく (Apple/Stripe系) */
  --shadow-card:
    0 1px 2px rgba(46, 46, 42, 0.04),
    0 4px 12px rgba(46, 46, 42, 0.04);
  --shadow-card-hover:
    0 2px 4px rgba(46, 46, 42, 0.04),
    0 12px 24px rgba(46, 46, 42, 0.07),
    0 24px 48px rgba(122, 155, 118, 0.08);

  /* Typography */
  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;

  /* Layout */
  --content-width: 1120px;
  --content-narrow: 760px;
  --section-space: 10rem;    /* セクション間の余白(PC) */
  --header-height: 76px;

  /* Logo — 正式ロゴ(横組み 109.2x30.8)。"First Line"の文字が読める高さを確保 */
  --logo-h: 32px;
  --logo-h-footer: 28px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* 2) Base
   ------------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-ja);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.pc-only { display: inline; }
.sp-only { display: none; }

/* 3) Header
   ------------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: transparent;
  transition: background-color 0.35s ease, box-shadow 0.35s ease;
}

.site-header.is-scrolled {
  background-color: rgba(253, 252, 248, 0.85);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  box-shadow: 0 1px 0 var(--color-hairline);
}

.header-inner {
  max-width: var(--content-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.header-logo {
  display: flex;
  align-items: center;
  margin-right: auto;
}

.header-logo img {
  height: var(--logo-h);
  width: auto;
}

.header-nav {
  display: flex;
  gap: 2.5rem;
}

.header-nav a {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text-soft);
  position: relative;
  padding: 4px 0;
  transition: color 0.25s ease;
}

.header-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}

.header-nav a:hover {
  color: var(--color-text);
}

.header-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  font-family: var(--font-en);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-primary-deep);
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  padding: 0.55em 1.7em;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

.header-cta:hover {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(122, 155, 118, 0.35);
}

/* 4) Hero
   ------------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 96vh;
  min-height: 96svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--color-bg);
}

/* ゆっくり移ろう背景光 — 2枚のグラデーションを低速でクロスフェード */
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 15%, rgba(233, 239, 231, 0.9), transparent 65%),
    radial-gradient(ellipse 70% 55% at 85% 80%, rgba(244, 241, 232, 1), transparent 70%),
    linear-gradient(170deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 75% 60% at 80% 20%, rgba(233, 239, 231, 0.9), transparent 65%),
    radial-gradient(ellipse 65% 50% at 15% 85%, rgba(227, 222, 206, 0.55), transparent 70%);
  opacity: 0;
  animation: hero-glow 16s ease-in-out infinite alternate;
}

@keyframes hero-glow {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.hero-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  animation: hero-lines-in 2.4s ease 0.4s forwards;
}

@keyframes hero-lines-in {
  to { opacity: 1; }
}

.hero-lines svg {
  width: 100%;
  height: 100%;
}

.hero-line {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 1.1;
  opacity: 0.38;
}

.hero-line--2 {
  stroke: var(--color-line);
  opacity: 0.5;
}

.hero-line--3 {
  opacity: 0.18;
}

.hero-inner {
  position: relative;
  text-align: center;
  padding: 0 24px;
  will-change: transform;
}

.hero-eyebrow {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-primary-deep);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fade-up 1.1s var(--ease-out) 0.2s forwards;
}

.hero-title {
  font-size: clamp(2.1rem, 5.4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fade-up 1.1s var(--ease-out) 0.45s forwards;
}

.hero-sub {
  font-size: clamp(0.9rem, 1.6vw, 1.05rem);
  font-weight: 300;
  color: var(--color-text-soft);
  line-height: 2.2;
  opacity: 0;
  animation: fade-up 1.1s var(--ease-out) 0.7s forwards;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.hero-scroll-text {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background-color: var(--color-line);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-primary);
  animation: scroll-cue 2.4s var(--ease-out) infinite;
}

@keyframes scroll-cue {
  0%   { top: -100%; }
  55%  { top: 100%; }
  100% { top: 100%; }
}

/* 5) Sections 共通
   ------------------------------------------------------------------ */
.section {
  padding: var(--section-space) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* 左ラベル / 右コンテンツの非対称グリッド (Stripe/Linear系の定番) */
.section-grid {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) minmax(0, 2.2fr);
  gap: 3rem 5rem;
  align-items: start;
}

.section-head {
  margin-bottom: 4rem;
}

.section-grid .section-head {
  margin-bottom: 0;
  position: sticky;
  top: calc(var(--header-height) + 2.5rem);
}

.section-label {
  display: flex;
  align-items: center;
  font-family: var(--font-en);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-primary-deep);
  margin-bottom: 1.25rem;
}

.section-num {
  position: relative;
  padding-right: 2.8rem;
}

/* 番号の後ろに伸びる「線」— サイト全体のモチーフ */
.section-num::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0.7rem;
  width: 1.7rem;
  height: 1px;
  background-color: var(--color-line);
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.6;
}

/* 6) About
   ------------------------------------------------------------------ */
.about-lead {
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  font-weight: 500;
  line-height: 2;
  letter-spacing: 0.09em;
  margin-bottom: 3rem;
}

.about-text {
  max-width: 34em;
}

.about-text p {
  color: var(--color-text-soft);
  margin-bottom: 1.5rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* 社名の由来 — 大きなゴーストタイポ＋引用 */
.about-origin {
  position: relative;
  margin-top: 7rem;
  padding: 4.5rem 0 0;
  border-top: 1px solid var(--color-hairline);
  text-align: center;
  overflow: hidden;
}

.about-origin-en {
  font-family: var(--font-en);
  font-size: clamp(3.5rem, 10vw, 7.5rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-line-soft);
  opacity: 0.45; /* 背景装飾として馴染む薄さに */
  user-select: none;
  white-space: nowrap;
  margin-bottom: -0.55em;
}

.about-origin-quote {
  position: relative;
  font-size: clamp(1rem, 1.9vw, 1.2rem);
  font-weight: 500;
  line-height: 2.3;
  letter-spacing: 0.1em;
}

.about-origin-quote em {
  font-style: normal;
  color: var(--color-primary-deep);
  background: linear-gradient(transparent 72%, var(--color-primary-pale) 72%);
}

/* 7) Services
   ------------------------------------------------------------------ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  border: 1px solid var(--color-line-soft);
  border-radius: 10px;
  padding: 2.75rem 2.5rem 2.25rem;
  box-shadow: var(--shadow-card);
  transition:
    transform 0.45s var(--ease-out),
    box-shadow 0.45s var(--ease-out),
    border-color 0.45s var(--ease-out);
}

a.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary-pale);
}

.service-tag {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary-deep);
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 0.35rem;
  margin-bottom: 1.75rem;
}

.service-name {
  font-family: var(--font-en);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 1.1rem;
}

/* サービス名のブランド配色（各サービスの実サイトの色分けに準拠）
   ※実サイトは紺背景で「Wan」が白。明るいカード背景では「Wan」を墨色にして
     アクセント色（Care=ティール / Trip=オレンジ）で色分けを再現。
     正式カラー確定時は下の2つのhexを差し替えるだけでよい。 */
.service-name--brand .brand-wan {
  color: var(--color-text);
}

.service-name--brand .brand-care {
  color: #33A99B; /* WanCare ティールグリーン */
}

.service-name--brand .brand-trip {
  color: #E87D31; /* WanTrip オレンジ */
}

.service-desc {
  font-size: 0.9rem;
  color: var(--color-text-soft);
  line-height: 2;
  margin-bottom: 1.4rem;
}

/* カード下部の導線 */
.service-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-en);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-primary-deep);
}

.service-link-arrow {
  display: inline-block;
  transition: transform 0.35s var(--ease-out);
}

a.service-card:hover .service-link-arrow {
  transform: translateX(5px);
}

/* Coming Soon カードはトーンを落とす */
.service-card--soon {
  background-color: transparent;
  border-style: dashed;
  border-color: var(--color-line);
  box-shadow: none;
}

.service-card--soon .service-tag {
  color: var(--color-text-soft);
  border-bottom-color: var(--color-line);
}

.service-card--soon .service-name {
  color: var(--color-text-soft);
}

.service-card--soon .service-desc {
  margin-bottom: 0;
}

/* 8) Vision
   ------------------------------------------------------------------ */
.section--vision {
  background:
    radial-gradient(ellipse 90% 70% at 50% 110%, rgba(233, 239, 231, 0.55), transparent 70%),
    var(--color-bg);
}

.vision-body {
  max-width: var(--content-narrow);
  margin-bottom: 6rem;
}

.vision-lead {
  font-size: clamp(1.4rem, 2.8vw, 1.9rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.9;
  margin-bottom: 2rem;
}

.vision-text {
  color: var(--color-text-soft);
}

/* 6領域を一本の線でつなぐ図
   .is-drawn が付くと線が左→右に描画され、点が順に灯る */
.vision-diagram {
  padding: 3rem 0 1rem;
}

.vision-track {
  display: flex;
  justify-content: space-between;
  position: relative;
  max-width: 940px;
  margin: 0 auto 3.5rem;
  padding: 0 1rem;
}

/* ノードをつなぐ線（ベース） */
.vision-track::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 2rem;
  right: 2rem;
  height: 1px;
  background-color: var(--color-line-soft);
}

/* 描画される線（セージグリーン） */
.vision-track::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 2rem;
  right: 2rem;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-line));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 2.2s var(--ease-out) 0.2s;
}

.is-drawn .vision-track::after {
  transform: scaleX(1);
}

.vision-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  position: relative;
  z-index: 1;
}

.vision-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background-color: var(--color-bg);
  border: 1px solid var(--color-line);
  transition:
    background-color 0.6s ease,
    border-color 0.6s ease,
    box-shadow 0.6s ease;
}

.vision-node-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  opacity: 0.35;
  transform: translateY(6px);
  transition: opacity 0.7s ease, transform 0.7s var(--ease-out);
}

.vision-node-label {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.1em;
}

.vision-node-en {
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

/* 点灯: 線の描画に合わせて左から順に (0.2s起点 + 0.35s間隔) */
.is-drawn .vision-dot {
  border-color: var(--color-primary);
  background-color: var(--color-primary-pale);
}

.is-drawn .vision-node--active .vision-dot {
  background-color: var(--color-primary);
  box-shadow: 0 0 0 5px rgba(122, 155, 118, 0.14);
}

.is-drawn .vision-node-text {
  opacity: 1;
  transform: translateY(0);
}

.vision-node:nth-child(1) .vision-dot,
.vision-node:nth-child(1) .vision-node-text { transition-delay: 0.25s; }
.vision-node:nth-child(2) .vision-dot,
.vision-node:nth-child(2) .vision-node-text { transition-delay: 0.6s; }
.vision-node:nth-child(3) .vision-dot,
.vision-node:nth-child(3) .vision-node-text { transition-delay: 0.95s; }
.vision-node:nth-child(4) .vision-dot,
.vision-node:nth-child(4) .vision-node-text { transition-delay: 1.3s; }
.vision-node:nth-child(5) .vision-dot,
.vision-node:nth-child(5) .vision-node-text { transition-delay: 1.65s; }
.vision-node:nth-child(6) .vision-dot,
.vision-node:nth-child(6) .vision-node-text { transition-delay: 2s; }

.vision-diagram-note {
  text-align: center;
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  color: var(--color-line);
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 1s ease 2.4s;
}

.is-drawn .vision-diagram-note {
  opacity: 1;
}

/* 9) Company
   ------------------------------------------------------------------ */
.company-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-line-soft);
  border-radius: 12px;
  padding: 1.25rem 3rem;
  box-shadow: var(--shadow-card);
}

.company-row {
  display: flex;
  align-items: baseline;
  border-bottom: 1px solid var(--color-hairline);
  padding: 1.7rem 0;
  gap: 2.5rem;
}

.company-row:last-child {
  border-bottom: none;
}

.company-row dt {
  flex: 0 0 120px;
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--color-text-soft);
}

.company-row dd {
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.8;
}

.company-sub {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-soft);
  letter-spacing: 0.06em;
  margin-top: 0.2rem;
}

/* 10) Contact
   ------------------------------------------------------------------ */
.section--contact {
  padding-bottom: 12rem;
  background:
    radial-gradient(ellipse 80% 65% at 50% 120%, rgba(233, 239, 231, 0.6), transparent 70%),
    var(--color-bg);
}

.contact-head {
  text-align: center;
  margin-bottom: 4.5rem;
}

/* 締めのブランドメッセージ */
.contact-message {
  font-family: var(--font-en);
  font-size: clamp(1.65rem, 4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.4;
  margin-bottom: 3rem;
  background: linear-gradient(120deg, var(--color-text) 55%, var(--color-primary-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-text);
}

.contact-text {
  color: var(--color-text-soft);
  margin-bottom: 0;
}

/* --- お問い合わせフォーム --- */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
}

.form-row {
  margin-bottom: 2.25rem;
}

.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: 0.85rem;
}

.req {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-primary-deep);
  background: var(--color-primary-pale);
  border-radius: 3px;
  padding: 0.15em 0.6em;
  margin-left: 0.4rem;
  vertical-align: 0.12em;
}

.contact-field {
  position: relative;
}

.contact-field input,
.contact-field textarea,
.contact-field select {
  width: 100%;
  font-family: var(--font-ja);
  font-size: 16px; /* iOSの自動ズーム防止 */
  line-height: 1.7;
  color: var(--color-text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-line);
  padding: 0.65rem 0.2rem;
  letter-spacing: 0.04em;
  -webkit-appearance: none;
  appearance: none;
  border-radius: 0;
  transition: border-color 0.3s ease;
}

.contact-field textarea {
  resize: vertical;
  min-height: 8rem;
}

.contact-field input::placeholder,
.contact-field textarea::placeholder {
  color: var(--color-line);
}

.contact-field input:focus,
.contact-field textarea:focus,
.contact-field select:focus {
  outline: none;
}

/* フォーカス時に下からセージグリーンの線が伸びる（線モチーフ） */
.contact-field::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.contact-field:focus-within::after {
  transform: scaleX(1);
}

/* select: カスタム矢印 + 未選択時はプレースホルダー色 */
.contact-field--select::before {
  content: "";
  position: absolute;
  right: 0.5rem;
  top: 1.15rem;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--color-text-soft);
  border-bottom: 1px solid var(--color-text-soft);
  transform: rotate(45deg);
  pointer-events: none;
}

.contact-field select {
  cursor: pointer;
}

.contact-field select:invalid {
  color: var(--color-line);
}

/* 送信ボタン + ステータス表示 */
.form-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-top: 3rem;
}

.form-submit {
  font-family: var(--font-ja);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: #fff;
  background-color: var(--color-primary);
  border: none;
  border-radius: 999px;
  padding: 1em 3.75em;
  cursor: pointer;
  transition:
    background-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease,
    opacity 0.3s ease;
}

.form-submit:hover {
  background-color: var(--color-primary-deep);
  box-shadow: 0 8px 24px rgba(122, 155, 118, 0.3);
  transform: translateY(-2px);
}

.form-submit:disabled {
  opacity: 0.55;
  cursor: default;
  transform: none;
  box-shadow: none;
}

.form-status {
  font-size: 0.9rem;
  line-height: 1.8;
  text-align: center;
  min-height: 1.2em;
  margin: 0;
}

.form-status.is-success {
  color: var(--color-primary-deep);
}

.form-status.is-error {
  color: #B4544A;
}

/* ハニーポット: 画面外へ隠す（表示させない） */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

/* mailto 補助導線 */
.contact-alt {
  margin-top: 3.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-soft);
  line-height: 2;
}

.contact-alt a {
  color: var(--color-primary-deep);
  border-bottom: 1px solid var(--color-line);
  transition: border-color 0.25s ease;
}

.contact-alt a:hover {
  border-bottom-color: var(--color-primary);
}

/* 11) Footer
   ------------------------------------------------------------------ */
.site-footer {
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-line-soft);
  padding: 5rem 0 2.5rem;
}

.footer-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 4rem;
  padding-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.footer-logo img {
  height: var(--logo-h-footer);
  width: auto;
}

.footer-tagline {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--color-text-soft);
}

.footer-columns {
  display: flex;
  gap: 5rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  min-width: 110px;
}

.footer-col-title {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-line);
  margin-bottom: 0.5rem;
}

.footer-col a {
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-soft);
  align-self: flex-start;
  transition: color 0.25s ease;
}

.footer-col a:hover {
  color: var(--color-primary-deep);
}

.footer-col-soon {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-style: italic;
  letter-spacing: 0.06em;
  color: var(--color-line);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-hairline);
}

.footer-copy {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-text-soft);
}

.footer-legal {
  display: flex;
  gap: 1.75rem;
}

.footer-legal a {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--color-text-soft);
  transition: color 0.25s ease;
}

.footer-legal a:hover {
  color: var(--color-primary-deep);
}

/* 12) Reveal — スクロール連動フェードイン
   ------------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* JS無効環境・アニメーション抑制設定では常時表示 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-lines {
    animation: none;
    opacity: 1;
  }
  .hero-bg::after {
    animation: none;
  }
  .hero-eyebrow,
  .hero-title,
  .hero-sub {
    animation: none;
    opacity: 1;
  }
  .hero-scroll-line::after {
    animation: none;
  }
  .vision-track::after,
  .vision-dot,
  .vision-node-text,
  .vision-diagram-note {
    transition: none;
  }
  .vision-track::after { transform: scaleX(1); }
  .vision-node-text { opacity: 1; transform: none; }
  .vision-diagram-note { opacity: 1; }
  .is-drawn .vision-dot,
  .vision-dot {
    border-color: var(--color-primary);
    background-color: var(--color-primary-pale);
  }
}

/* 13) Responsive
   ------------------------------------------------------------------ */
@media (max-width: 1080px) {
  .section-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .section-grid .section-head {
    position: static;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card--soon {
    grid-column: 1 / -1;
  }

  .footer-top {
    flex-direction: column;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  :root {
    --section-space: 6rem;
    --header-height: 62px;
    --logo-h: 27px;
    --logo-h-footer: 24px;
  }

  .pc-only { display: none; }
  .sp-only { display: inline; }

  /* SPはロゴ＋Contactのみのシンプルなヘッダー */
  .header-nav {
    display: none;
  }

  .header-inner {
    padding: 0 20px;
  }

  .hero {
    min-height: 90vh;
    min-height: 90svh;
  }

  .hero-title {
    letter-spacing: 0.06em;
  }

  .hero-sub {
    line-height: 2.1;
  }

  .section-inner {
    padding: 0 20px;
  }

  .section-head {
    margin-bottom: 2.75rem;
  }

  .about-origin {
    margin-top: 4.5rem;
    padding-top: 3rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .service-card {
    padding: 2.25rem 1.75rem 2rem;
  }

  /* Visionの線を縦方向に（上→下へ描画） */
  .vision-track {
    flex-direction: column;
    gap: 2.25rem;
    padding: 0;
    max-width: none;
    align-items: flex-start;
  }

  .vision-track::before,
  .vision-track::after {
    top: 6px;
    bottom: 6px;
    left: 6px;
    right: auto;
    width: 1px;
    height: auto;
  }

  .vision-track::after {
    background: linear-gradient(180deg, var(--color-primary), var(--color-line));
    transform: scaleY(0);
    transform-origin: top;
  }

  .is-drawn .vision-track::after {
    transform: scaleY(1);
  }

  .vision-node {
    flex-direction: row;
    gap: 1.4rem;
  }

  .vision-node-text {
    flex-direction: row;
    align-items: baseline;
    gap: 0.75rem;
    transform: translateX(6px);
  }

  .is-drawn .vision-node-text {
    transform: translateX(0);
  }

  .company-card {
    padding: 0.5rem 1.5rem;
  }

  .company-row {
    flex-direction: column;
    gap: 0.35rem;
    padding: 1.3rem 0;
  }

  .company-row dt {
    flex: none;
  }

  .section--contact {
    padding-bottom: 8rem;
  }

  .site-footer {
    padding: 3.5rem 0 2rem;
  }

  .footer-columns {
    gap: 2.5rem;
    flex-wrap: wrap;
  }

  .footer-bottom {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 1rem;
  }
}