/* =========================================================
   Tailbone — base stylesheet
   ページを追加する場合もこのファイルを共通で読み込みます。
   ========================================================= */

:root {
  /* base */
  --white: #ffffff;
  --ivory: #fbf9f4;
  --gray-50: #f3f4f5;
  --gray-200: #e4e6ea;
  --line: #e7e3da;
  --navy: #0e1a2b;
  --navy-2: #16263c;
  --charcoal: #2a2f37;
  --muted: #5a6170;

  /* accent (ロゴカラー確定後はここだけ差し替え) */
  --accent: #2ec4b6;
  --accent-ink: #0a7a70;   /* 白背景上の文字用 */
  --accent-soft: #e2f6f3;

  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 32px;
  --shadow: 0 1px 2px rgba(14, 26, 43, .04), 0 8px 28px rgba(14, 26, 43, .06);
  --ease-out: cubic-bezier(.2, .8, .2, 1);

  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", Meiryo, system-ui, sans-serif;
  --font-en: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, var(--font);

  --container: 1160px;
  --gutter: clamp(20px, 5vw, 40px);
  --header-h: 68px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .02em;
  color: var(--charcoal);
  background: var(--ivory);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-break: strict;
  overflow-wrap: anywhere;
}
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { color: var(--navy); line-height: 1.45; letter-spacing: .03em; word-break: auto-phrase; font-weight: 700; }
strong { font-weight: 700; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  padding: 10px 16px; background: var(--navy); color: #fff; border-radius: 10px; text-decoration: none;
}
.skip-link:focus { top: 12px; }

.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.container-narrow { max-width: calc(820px + var(--gutter) * 2); }
.pc-only { display: none; }
@media (min-width: 900px) { .pc-only { display: inline; } .sp-only { display: none; } }

/* ---------- buttons ---------- */
.btn {
  --h: 56px;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: var(--h); padding: 0 28px;
  border-radius: 999px; border: 1.5px solid transparent;
  font-weight: 700; font-size: 15px; letter-spacing: .04em; text-decoration: none;
  cursor: pointer; white-space: nowrap;
  transition: transform .2s var(--ease-out), background-color .2s, box-shadow .2s, border-color .2s;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--accent); color: var(--navy); box-shadow: 0 6px 18px -8px rgba(46, 196, 182, .7); }
.btn-primary:hover { background: #45cfc2; transform: translateY(-2px); box-shadow: 0 10px 24px -10px rgba(46, 196, 182, .9); }
.btn-ghost { background: transparent; color: var(--navy); border-color: rgba(14, 26, 43, .22); }
.btn-ghost:hover { border-color: var(--navy); background: var(--white); }
.btn-sm { --h: 42px; padding: 0 20px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-arrow {
  width: 18px; height: 10px; flex: none; position: relative;
  transition: transform .25s var(--ease-out);
}
.btn-arrow::before { content: ""; position: absolute; left: 0; right: 2px; top: 50%; height: 1.8px; background: currentColor; transform: translateY(-50%); border-radius: 2px; }
.btn-arrow::after { content: ""; position: absolute; right: 1px; top: 50%; width: 7px; height: 7px; border-top: 1.8px solid currentColor; border-right: 1.8px solid currentColor; transform: translateY(-50%) rotate(45deg); }
.btn:hover .btn-arrow { transform: translateX(4px); }

@media (max-width: 520px) {
  .btn { white-space: normal; text-align: center; line-height: 1.5; padding: 12px 20px; gap: 8px; font-size: 14.5px; word-break: auto-phrase; }
}

.text-link {
  display: inline;
  color: var(--accent-ink); font-weight: 700; text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0 1.5px; background-repeat: no-repeat; background-position: 0 100%;
  transition: background-size .3s var(--ease-out);
}
.text-link::after { content: "→"; display: inline-block; margin-left: 8px; transition: transform .25s var(--ease-out); }
.text-link:hover { background-size: 100% 1.5px; }
.text-link:hover::after { transform: translateX(3px); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: rgba(251, 249, 244, .82);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background-color .25s;
}
.site-header.is-scrolled { border-bottom-color: var(--line); background: rgba(251, 249, 244, .94); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: inline-flex; align-items: center; text-decoration: none; color: var(--navy); }
.brand-logo { height: 32px; width: auto; aspect-ratio: 1513 / 323; flex: none; }
.brand-light { color: #fff; }
@media (max-width: 520px) { .brand-logo { height: 29px; } }

.global-nav { display: flex; align-items: center; gap: 28px; }
.nav-list { display: flex; gap: 22px; }
.nav-list a { text-decoration: none; font-size: 14px; font-weight: 600; color: var(--charcoal); position: relative; padding: 6px 0; white-space: nowrap; }
.nav-list a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease-out);
}
.nav-list a:hover::after { transform: scaleX(1); }

.nav-toggle { display: none; }

@media (max-width: 1199px) {
  .nav-toggle {
    display: grid; place-items: center; width: 44px; height: 44px; margin-right: -8px;
    background: none; border: 0; cursor: pointer; position: relative; z-index: 2;
  }
  .nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
    content: ""; display: block; width: 22px; height: 2px; border-radius: 2px; background: var(--navy);
    transition: transform .25s var(--ease-out), opacity .2s;
  }
  .nav-toggle-bar { position: relative; }
  .nav-toggle-bar::before { position: absolute; top: -7px; }
  .nav-toggle-bar::after { position: absolute; top: 7px; width: 14px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-7px) rotate(-45deg); width: 22px; }

  .global-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 20px;
    padding: 12px var(--gutter) 28px;
    background: var(--ivory); border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px -20px rgba(14, 26, 43, .2);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: opacity .2s, transform .25s var(--ease-out), visibility 0s .25s;
  }
  .global-nav.is-open { opacity: 1; visibility: visible; transform: none; transition: opacity .2s, transform .25s var(--ease-out); }
  .nav-list { flex-direction: column; gap: 0; }
  .nav-list a { display: block; padding: 14px 0; font-size: 16px; border-bottom: 1px solid var(--line); }
  .nav-list a::after { display: none; }
  .nav-cta { --h: 52px; }
}

/* ---------- sections ---------- */
.section { padding-block: clamp(80px, 11vw, 136px); position: relative; }
.section-white { background: var(--white); }
.section-dark { background: var(--navy); color: #c9d1dc; }
.section-dark .section-title, .section-dark h3 { color: #fff; }
.section-dark .section-lead { color: #aab4c2; }

.section-head { text-align: center; margin-bottom: clamp(44px, 6vw, 64px); }
.section-head-left { text-align: left; margin-bottom: 28px; }
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-en); font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-ink); margin-bottom: 14px;
}
.section-label::before {
  content: ""; width: 22px; height: 10px; flex: none;
  background: no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 10'%3E%3Cpath d='M1 8c5 0 6-6 11-6s5 4 9 4' fill='none' stroke='%232ec4b6' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
}
.section-dark .section-label { color: var(--accent); }
.section-title { font-size: clamp(26px, 3.6vw, 38px); }
.section-lead { margin-top: 18px; color: var(--muted); font-size: clamp(15px, 1.6vw, 17px); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 10px; border-radius: 999px;
  background: var(--white); border: 1px solid var(--line);
  font-size: 13px; font-weight: 600; color: var(--charcoal);
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }

.note { font-size: 12px; color: var(--muted); line-height: 1.7; }

.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(40px, 7vw, 88px) 0 clamp(96px, 10vw, 140px); }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto auto; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
  background: radial-gradient(closest-side, rgba(46, 196, 182, .14), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; gap: 40px; align-items: center; }
@media (min-width: 960px) { .hero-inner { grid-template-columns: 1.15fr .85fr; gap: 24px; } }

.hero-title { margin-top: 22px; font-size: clamp(32px, 4.6vw, 56px); line-height: 1.35; letter-spacing: .02em; }
.hero-title .line { display: block; white-space: nowrap; }
.hero-title em {
  font-style: normal; position: relative; white-space: nowrap;
  background: linear-gradient(transparent 68%, var(--accent-soft) 68%, var(--accent-soft) 94%, transparent 94%);
}
.hero-lead { margin-top: 24px; max-width: 34em; color: var(--muted); font-size: clamp(15px, 1.7vw, 17px); }
.hero-actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero-sub-link { display: inline-block; margin-top: 20px; font-size: 15px; }

.hero-points { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points li {
  display: inline-flex; align-items: baseline; gap: 4px;
  padding: 8px 14px; border-radius: 999px; background: var(--white); border: 1px solid var(--line);
  font-size: 13px; color: var(--muted);
}
.hero-points strong { color: var(--navy); font-size: 14px; }
.hero-points sup { font-size: 10px; }
.hero .note { margin-top: 12px; }

.hero-visual { position: relative; color: var(--navy); max-width: 560px; width: 100%; margin-inline: auto; }
.motion-svg { width: 100%; height: auto; overflow: visible; }
.ghost-lines { opacity: .09; stroke-width: 1.5; }
.tail-path { stroke-dasharray: 900; stroke-dashoffset: 900; animation: draw 1.6s .2s var(--ease-out) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.speed-lines { stroke-width: 2.5; opacity: .18; }
.speed-lines line { stroke-dasharray: 60; stroke-dashoffset: 60; animation: dash 2.4s 1.2s ease-in-out infinite; }
.speed-lines line:nth-child(2) { animation-delay: 1.4s; }
.speed-lines line:nth-child(3) { animation-delay: 1.6s; }
@keyframes dash { 0% { stroke-dashoffset: 60; } 40% { stroke-dashoffset: 0; } 80%, 100% { stroke-dashoffset: -60; } }

.node { opacity: 0; animation: pop .5s var(--ease-out) forwards; }
@keyframes pop { to { opacity: 1; } }
.node > circle { fill: var(--white); stroke: var(--navy); stroke-width: 2.5; }
.chip rect { fill: var(--white); stroke: var(--line); stroke-width: 1; filter: drop-shadow(0 6px 14px rgba(14, 26, 43, .08)); }
.chip text { font-family: var(--font); font-size: 14px; font-weight: 700; fill: var(--navy); text-anchor: middle; letter-spacing: .04em; }
.chip-accent rect { fill: var(--navy); stroke: var(--navy); }
.chip-accent text { fill: #fff; }
.runner { fill: var(--accent); }
.runner-small { fill: var(--navy); opacity: .5; }

.hero-card {
  position: absolute; left: 0; top: 6%;
  min-width: 210px; padding: 16px 18px; border-radius: var(--radius);
  background: rgba(255, 255, 255, .9); border: 1px solid var(--line); box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  font-size: 13px;
  animation: float-in .7s 1.3s var(--ease-out) both;
}
@keyframes float-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.hero-card-label { display: block; font-size: 11px; font-weight: 700; letter-spacing: .08em; color: var(--accent-ink); margin-bottom: 6px; }
.hero-card-row { display: flex; justify-content: space-between; gap: 18px; line-height: 2; color: var(--muted); }
.hero-card-row strong { color: var(--navy); }
@media (max-width: 959px) {
  .hero-visual { max-width: 460px; }
  .hero-card { top: 0; left: 0; }
}

.hero-wave { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 60px; fill: var(--white); }

/* ---------- problems ---------- */
.problem-list { display: grid; gap: 14px; max-width: 960px; margin-inline: auto; }
@media (min-width: 720px) { .problem-list { grid-template-columns: 1fr 1fr; gap: 16px 20px; } }
.problem {
  position: relative; padding: 22px 24px 22px 60px;
  background: var(--ivory); border-radius: var(--radius); font-weight: 600; color: var(--navy); line-height: 1.7;
}
.problem::before {
  content: ""; position: absolute; left: 22px; top: 26px; width: 22px; height: 16px;
  background: no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 16'%3E%3Cpath d='M2 13c5 0 6-9 12-9 3 0 5 2 6 4' fill='none' stroke='%232ec4b6' stroke-width='2.4' stroke-linecap='round'/%3E%3C/svg%3E");
}
.bridge { margin-top: clamp(48px, 7vw, 72px); text-align: center; }
.bridge-curve { width: 96px; height: 32px; margin: 0 auto 18px; color: var(--accent); }
.bridge p { font-size: clamp(17px, 2.2vw, 22px); font-weight: 600; color: var(--navy); line-height: 1.8; }
.bridge strong { background: linear-gradient(transparent 62%, var(--accent-soft) 62%); }

/* ---------- services ---------- */
.card-grid { display: grid; gap: 16px; }
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (min-width: 1000px) { .services-grid { grid-template-columns: repeat(4, 1fr); } }
.service-card { display: flex; flex-direction: column; gap: 12px; transition: transform .3s var(--ease-out), box-shadow .3s, border-color .3s; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.service-card h3 { font-size: 18px; }
.service-card p { font-size: 14.5px; color: var(--muted); line-height: 1.8; }
.card-icon {
  width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent-ink); margin-bottom: 6px;
}
.card-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service-card-cta { background: var(--navy); border-color: var(--navy); color: #c9d1dc; justify-content: center; }
.service-card-cta h3 { color: #fff; }
.service-card-cta p { color: #aab4c2; }
.service-card-cta .text-link { color: var(--accent); margin-top: 6px; }

/* ---------- reasons ---------- */
.reason-grid { display: grid; gap: 0; border-top: 1px solid var(--line); }
@media (min-width: 720px) { .reason-grid { grid-template-columns: repeat(2, 1fr); column-gap: 48px; } }
@media (min-width: 1080px) { .reason-grid { grid-template-columns: repeat(4, 1fr); column-gap: 32px; } }
.reason { padding: 28px 0 32px; border-bottom: 1px solid var(--line); }
.reason-num {
  display: inline-block; font-family: var(--font-en); font-size: 14px; font-weight: 700; letter-spacing: .08em;
  color: var(--accent-ink); margin-bottom: 12px; position: relative; padding-right: 36px;
}
.reason-num::after { content: ""; position: absolute; right: 0; top: 50%; width: 24px; height: 1.5px; background: var(--accent); }
.reason h4 { font-size: 18px; margin-bottom: 10px; color: var(--navy); line-height: 1.5; }
.reason p { font-size: 14.5px; color: var(--muted); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--white); padding-bottom: clamp(64px, 8vw, 100px); }
.cta-band-inner {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; gap: 28px; align-items: center;
  padding: clamp(36px, 5vw, 56px) clamp(28px, 5vw, 64px);
  background: var(--navy); color: #c9d1dc; border-radius: var(--radius-lg);
}
@media (min-width: 860px) { .cta-band-inner { grid-template-columns: 1fr auto; gap: 40px; } }
.cta-band-line { position: absolute; inset: 0; width: 100%; height: 100%; color: var(--accent); opacity: .35; z-index: -1; }
.cta-band-kicker { font-size: 14px; font-weight: 700; color: var(--accent); margin-bottom: 8px; }
.cta-band-title { color: #fff; font-size: clamp(24px, 3.2vw, 34px); }
.cta-band-text { margin-top: 10px; color: #aab4c2; font-size: 15px; }

/* ---------- flow ---------- */
.flow-list { display: grid; gap: 0; position: relative; counter-reset: flow; }
.flow-step { position: relative; display: grid; grid-template-columns: 44px 1fr; align-content: start; gap: 18px; padding-bottom: 28px; }
.flow-step::before {
  content: ""; position: absolute; left: 21px; top: 44px; bottom: 0; width: 2px;
  background: linear-gradient(var(--accent) 0 40%, var(--gray-200) 40%);
  background-size: 2px 10px;
}
.flow-step:last-child::before { display: none; }
.flow-num {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  background: var(--white); border: 2px solid var(--navy); color: var(--navy);
  font-family: var(--font-en); font-weight: 700; font-size: 16px; position: relative; z-index: 1;
}
.flow-step h3 { font-size: 17px; margin: 8px 0 4px; }
.flow-step p { font-size: 14.5px; color: var(--muted); line-height: 1.75; }
.flow-step-accent .flow-num { background: var(--accent); border-color: var(--accent); }
.tag {
  display: inline-block; margin-top: 10px; padding: 4px 12px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-ink); font-size: 12px; font-weight: 700;
}
@media (min-width: 900px) {
  .flow-list { grid-template-columns: repeat(4, 1fr); gap: 40px 20px; }
  .flow-step { grid-template-columns: 1fr; gap: 14px; padding: 0 12px 0 0; }
  .flow-step::before { left: 52px; right: -20px; top: 21px; bottom: auto; width: auto; height: 2px; background: linear-gradient(90deg, var(--accent) 0 40%, var(--gray-200) 40%); background-size: 10px 2px; }
  .flow-step:nth-child(4)::before { display: none; }
  .flow-step h3 { margin-top: 4px; }
}

/* ---------- schedule ---------- */
.schedule-grid { display: grid; gap: 16px; }
@media (min-width: 900px) { .schedule-grid { grid-template-columns: 1fr 1fr .9fr; gap: 20px; } }
.schedule-card {
  padding: 32px 28px; border-radius: var(--radius);
  background: var(--navy-2); border: 1px solid rgba(255, 255, 255, .08);
}
.schedule-kind { font-size: 14px; font-weight: 700; color: #fff; line-height: 1.6; }
.schedule-days { margin: 14px 0 12px; display: flex; align-items: baseline; gap: 6px; color: #fff; font-weight: 700; }
.schedule-days strong { font-family: var(--font-en); font-size: clamp(56px, 7vw, 76px); line-height: 1; color: var(--accent); letter-spacing: -.02em; }
.schedule-pre { font-size: 15px; }
.schedule-days span { font-size: 17px; }
.schedule-days-text { font-size: clamp(22px, 2.4vw, 26px); line-height: 1.4; min-height: 76px; align-items: center; }
.schedule-desc { font-size: 14.5px; color: #aab4c2; line-height: 1.8; }
.schedule-card-after { background: transparent; border-style: dashed; border-color: rgba(255, 255, 255, .22); }

.timeline { position: relative; margin: 56px 0 8px; height: 60px; }
.timeline::before {
  content: ""; position: absolute; left: 0; right: 0; top: 9px; height: 2px;
  background: linear-gradient(90deg, rgba(255, 255, 255, .35) 0 40%, transparent 40%) 0 0 / 10px 2px repeat-x;
}
.timeline::after {
  content: ""; position: absolute; left: 0; width: 45%; top: 9px; height: 2px;
  background: linear-gradient(90deg, rgba(46, 196, 182, .15), var(--accent));
}
.tl-mark {
  position: absolute; left: var(--x); top: 0;
  font-family: var(--font-en); font-weight: 700; font-size: 14px; color: #fff;
  padding-top: 24px;
}
.tl-mark::before { content: ""; position: absolute; left: 0; top: 5px; width: 10px; height: 10px; border-radius: 50%; background: #fff; }
.tl-0 { --x: 0%; } .tl-7 { --x: 45%; } .tl-14 { --x: 88%; }
.tl-mark small { display: block; font-family: var(--font); font-weight: 500; font-size: 12px; color: #aab4c2; }
.tl-accent { color: var(--accent); }
.tl-accent::before { background: var(--accent); box-shadow: 0 0 0 5px rgba(46, 196, 182, .25); }
@media (max-width: 640px) { .timeline { display: none; } }
.schedule-note { margin-top: 28px; font-size: 13px; color: #aab4c2; }

/* ---------- requirements ---------- */
.requirements-inner { display: grid; gap: 48px; align-items: start; }
@media (min-width: 960px) { .requirements-inner { grid-template-columns: 1fr 1fr; gap: 64px; } }
.requirements-copy > p { color: var(--muted); margin-bottom: 14px; }
.requirements-copy .requirements-lead { font-size: clamp(17px, 2vw, 19px); color: var(--navy); font-weight: 600; }
.requirements-caution { font-size: 14px; padding-left: 14px; border-left: 2px solid var(--gray-200); }

.equation {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  margin: 32px 0; padding: 18px 22px; border-radius: var(--radius); background: var(--ivory);
  font-weight: 700; color: var(--navy);
}
.eq-arrow { width: 56px; height: 20px; color: var(--accent); }
.eq-right { color: var(--accent-ink); font-size: 18px; }

.checklist-card { background: var(--ivory); border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 44px); }
.checklist-title { font-weight: 700; color: var(--navy); margin-bottom: 20px; font-size: 17px; }
.checklist { display: grid; gap: 4px; }
.checklist li { display: grid; grid-template-columns: 24px 1fr; gap: 14px; padding: 12px 16px; border-radius: 14px; background: var(--white); align-items: start; }
.checklist strong { display: block; color: var(--navy); line-height: 1.6; }
.checklist small { display: block; color: var(--muted); font-size: 13px; line-height: 1.6; }
.check {
  width: 22px; height: 22px; margin-top: 2px; border-radius: 7px; border: 1.8px solid var(--accent);
  background: no-repeat center/12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3.5 3.5L11 1' fill='none' stroke='%230a7a70' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.checklist-foot { margin-top: 18px; font-size: 13.5px; color: var(--muted); }

/* ---------- subsidy ---------- */
.subsidy-card {
  display: grid; gap: 40px;
  padding: clamp(24px, 5vw, 64px); border-radius: var(--radius-lg);
  background: var(--white); border: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.subsidy-card::after {
  content: ""; position: absolute; right: -120px; bottom: -160px; width: 420px; height: 420px; border-radius: 50%;
  border: 1.5px solid var(--accent); opacity: .25; pointer-events: none;
}
@media (min-width: 960px) { .subsidy-card { grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; } }
.subsidy-lead { margin: 20px 0 20px; color: var(--muted); }
.disclaimer {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 18px; border-radius: 14px; background: var(--gray-50);
  font-size: 14px; color: var(--charcoal); margin-bottom: 28px;
}
.disclaimer span {
  flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center;
  background: var(--navy); color: #fff; font-family: var(--font-en); font-weight: 700; font-size: 12px; margin-top: 2px;
}
.subsidy-list-wrap { position: relative; z-index: 1; }
.subsidy-list-title { font-weight: 700; color: var(--navy); margin-bottom: 14px; }
.subsidy-list { display: grid; gap: 10px; }
.subsidy-list li {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px; border-radius: 14px; background: var(--ivory); font-weight: 600; color: var(--navy); font-size: 15px;
}
.subsidy-list li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 12px; }
.faq-item { border-radius: var(--radius); background: var(--white); box-shadow: 0 0 0 1px var(--line); transition: background-color .2s; }
.faq-item[open] { background: var(--white); box-shadow: 0 0 0 1px var(--line), var(--shadow); }
.faq-item summary {
  list-style: none; cursor: pointer; position: relative;
  padding: 22px 60px 22px 58px; font-weight: 700; color: var(--navy); line-height: 1.6;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "Q"; position: absolute; left: 22px; top: 21px;
  font-family: var(--font-en); font-weight: 700; color: var(--accent-ink); font-size: 18px;
}
.faq-item summary::after {
  content: ""; position: absolute; right: 24px; top: 50%; width: 12px; height: 12px; margin-top: -8px;
  border-right: 2px solid var(--navy); border-bottom: 2px solid var(--navy); transform: rotate(45deg);
  transition: transform .25s var(--ease-out), margin .25s;
}
.faq-item[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq-answer { padding: 0 28px 24px 58px; color: var(--muted); font-size: 15px; }

/* ---------- company ---------- */
.company-inner { display: grid; gap: 32px; }
@media (min-width: 900px) { .company-inner { grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; } }
.company-tagline { margin-top: 20px; color: var(--muted); font-weight: 600; }
.company-table { border-top: 1px solid var(--line); }
.company-table > div { display: grid; gap: 4px; padding: 20px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 640px) { .company-table > div { grid-template-columns: 140px 1fr; gap: 24px; } }
.company-table dt { font-weight: 700; color: var(--navy); font-size: 14px; }
.company-table dd { font-size: 15px; }

/* ---------- contact ---------- */
.section-contact { background: var(--ivory); }
.contact-inner { display: grid; gap: 40px; }
@media (min-width: 960px) { .contact-inner { grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: start; } }
.contact-copy > p:not(.section-label) { margin-top: 20px; color: var(--muted); }
.contact-points { margin-top: 24px; display: grid; gap: 10px; }
.contact-points li { position: relative; padding-left: 26px; font-size: 14.5px; color: var(--charcoal); }
.contact-points li::before { content: ""; position: absolute; left: 0; top: .6em; width: 14px; height: 8px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
@media (min-width: 960px) { .contact-copy { position: sticky; top: calc(var(--header-h) + 32px); } }

.contact-form { display: grid; gap: 20px; padding: clamp(24px, 4vw, 40px); border-radius: var(--radius-lg); background: var(--white); border: 1px solid var(--line); }
.field-row { display: grid; gap: 20px; }
@media (min-width: 640px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; font-weight: 700; color: var(--navy); }
.req { margin-left: 8px; padding: 1px 8px; border-radius: 6px; background: var(--navy); color: #fff; font-size: 11px; font-weight: 700; vertical-align: 1px; }
.field input:not([type="checkbox"]), .field select, .field textarea {
  width: 100%; min-height: 50px; padding: 12px 16px;
  border: 1.5px solid var(--gray-200); border-radius: 12px; background: var(--white);
  font-size: 16px; line-height: 1.6;
  transition: border-color .2s, box-shadow .2s;
}
.field select { appearance: none; padding-right: 44px; background: var(--white) no-repeat right 16px center/12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%230e1a2b' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E"); }
.field textarea { resize: vertical; min-height: 180px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.field ::placeholder { color: #9aa1ad; }
.field [aria-invalid="true"] { border-color: #c2413a !important; }
.field-check { grid-template-columns: 22px 1fr; align-items: start; gap: 12px; }
.field-check input { width: 20px; height: 20px; margin: 3px 0 0; accent-color: var(--accent-ink); }
.field-check label { font-weight: 500; font-size: 14px; color: var(--charcoal); line-height: 1.7; }
.form-status { min-height: 1.5em; font-size: 14px; font-weight: 600; }
.form-status.is-error { color: #b3261e; }
.form-status.is-success { color: var(--accent-ink); }

.contact-points-title { margin-top: 28px; font-weight: 700; color: var(--navy); font-size: 15px; }
.contact-points-title + .contact-points { margin-top: 12px; }
.contact-notice {
  margin-top: 28px; padding: 18px 20px; border-radius: 14px;
  background: var(--gray-50); border-left: 3px solid var(--navy);
  font-size: 13.5px; color: var(--muted); line-height: 1.75;
}
.contact-notice-title { font-weight: 700; color: var(--navy); font-size: 14.5px; margin-bottom: 4px; }
.contact-mail { margin-top: 24px; font-size: 14px; color: var(--muted); }
.contact-mail a, .company-table a { color: var(--accent-ink); font-weight: 700; }
.company-table small { color: var(--muted); font-size: 13px; }
.form-note { font-size: 12.5px; color: var(--muted); line-height: 1.75; }

/* ---------- revision: shared bits ---------- */
.title-sub { display: block; margin-top: 8px; font-size: clamp(16px, 1.8vw, 19px); font-weight: 600; color: var(--accent-ink); letter-spacing: .04em; }
.hero-lead-sub { margin-top: 12px; font-size: 14.5px; }
.card-example { margin-top: auto; padding-top: 10px; border-top: 1px dashed var(--line); font-size: 13px !important; color: var(--charcoal) !important; }
.dot-list { display: grid; gap: 8px; }
.dot-list li { position: relative; padding-left: 18px; font-size: 14.5px; line-height: 1.75; }
.dot-list li::before { content: ""; position: absolute; left: 2px; top: .7em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* difference */
.compare-grid { display: grid; gap: 14px; margin-bottom: clamp(56px, 8vw, 88px); }
@media (min-width: 640px) { .compare-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .compare-grid { grid-template-columns: repeat(4, 1fr); gap: 16px; } }
.compare-card { padding: 24px; border-radius: var(--radius); background: var(--ivory); display: grid; gap: 10px; align-content: start; }
.compare-kind { font-size: 13px; font-weight: 700; color: var(--muted); letter-spacing: .04em; }
.compare-good { font-weight: 700; color: var(--navy); line-height: 1.6; }
.compare-gap { font-size: 14px; color: var(--muted); line-height: 1.75; padding-left: 14px; border-left: 2px solid var(--gray-200); }
.compare-card-us { background: var(--navy); color: #c9d1dc; box-shadow: 0 16px 40px -20px rgba(14, 26, 43, .6); }
.compare-card-us .compare-kind { color: var(--accent); }
.compare-card-us .compare-good { color: #fff; }
.compare-us-text { font-size: 14px; line-height: 1.75; padding-left: 14px; border-left: 2px solid var(--accent); }
.subsection-title { font-size: clamp(22px, 2.8vw, 28px); text-align: center; margin-bottom: 36px; scroll-margin-top: calc(var(--header-h) + 12px); }

/* fit */
.fit-grid { display: grid; gap: 20px; }
@media (min-width: 900px) { .fit-grid { grid-template-columns: .9fr 1.1fr; gap: 24px; } }
.fit-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 40px); }
.fit-title { font-weight: 700; color: var(--navy); font-size: 17px; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.fit-good .fit-title::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); }
.fit-other .fit-title::before { content: ""; width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--muted); }
.fit-list { display: grid; gap: 10px; }
.fit-list li { position: relative; padding: 12px 16px 12px 44px; border-radius: 14px; background: var(--ivory); font-weight: 600; color: var(--navy); font-size: 15px; line-height: 1.6; }
.fit-list li::before { content: ""; position: absolute; left: 16px; top: 17px; width: 14px; height: 8px; border-left: 2px solid var(--accent-ink); border-bottom: 2px solid var(--accent-ink); transform: rotate(-45deg); }
.fit-dl { display: grid; gap: 0; }
.fit-dl > div { padding: 14px 0; border-bottom: 1px solid var(--line); }
.fit-dl > div:first-child { padding-top: 0; }
.fit-dl > div:last-child { border-bottom: 0; padding-bottom: 0; }
.fit-dl dt { font-weight: 700; color: var(--navy); font-size: 15px; line-height: 1.6; }
.fit-dl dd { margin-top: 4px; font-size: 14px; color: var(--muted); line-height: 1.75; }

/* schedule meaning */
.meaning-list { display: grid; gap: 14px; margin-top: 32px; }
@media (min-width: 900px) { .meaning-list { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.meaning-list > div { padding: 20px 22px; border-radius: var(--radius); border: 1px solid rgba(255, 255, 255, .12); }
.meaning-list dt { color: var(--accent); font-weight: 700; font-size: 14px; margin-bottom: 6px; }
.meaning-list dd { font-size: 14px; color: #c9d1dc; line-height: 1.75; }

/* cost */
.cost-grid { display: grid; gap: 16px; }
@media (min-width: 900px) { .cost-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; } }
.cost-card h3 { font-size: 18px; margin-bottom: 14px; }
.cost-card p { font-size: 14.5px; color: var(--muted); line-height: 1.85; }

/* requirements */
.chip-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 18px; }
.chip-list li { padding: 6px 14px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-ink); font-size: 13px; font-weight: 700; }

/* subsidy notes */
.subsidy-notes { margin-top: 20px; padding: clamp(22px, 3vw, 32px); border-radius: var(--radius); border: 1px solid var(--line); background: var(--white); }
.subsidy-notes-title { font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.subsidy-notes .dot-list li { color: var(--charcoal); }

/* contact steps */
.mini-steps { margin-top: 12px; display: grid; gap: 8px; }
.mini-steps li { display: flex; align-items: center; gap: 12px; font-size: 14.5px; }
.mini-steps span { flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: #fff; font-family: var(--font-en); font-weight: 700; font-size: 12px; }

/* works */
.works-grid { display: grid; gap: 20px; }
@media (min-width: 900px) { .works-grid { grid-template-columns: 1fr 1fr; gap: 24px; } }
.work-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); overflow: hidden; transition: box-shadow .3s, transform .3s var(--ease-out); }
.work-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.work-visual { display: grid; place-items: center; height: 132px; background: var(--ivory); border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.work-visual::after { content: ""; position: absolute; right: -40px; bottom: -70px; width: 200px; height: 200px; border-radius: 50%; border: 1.5px solid var(--accent); opacity: .25; }
.work-visual svg { width: 150px; height: 80px; fill: none; stroke: var(--navy); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.work-visual svg path:first-of-type { stroke: var(--accent-ink); }
.work-body { display: flex; flex-direction: column; gap: 10px; padding: clamp(24px, 3.5vw, 36px); flex: 1; }
.work-type { align-self: flex-start; padding: 4px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-ink); font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.work-title { font-family: var(--font-en); font-size: 26px; letter-spacing: .01em; margin-top: 4px; }
.work-tagline { font-weight: 700; color: var(--navy); line-height: 1.7; }
.work-desc { font-size: 14.5px; color: var(--muted); line-height: 1.9; }
.work-points { display: grid; gap: 6px; margin: 6px 0 8px; padding-top: 14px; border-top: 1px dashed var(--line); }
.work-points li { position: relative; padding-left: 24px; font-size: 14px; color: var(--charcoal); line-height: 1.7; }
.work-points li::before { content: ""; position: absolute; left: 2px; top: .55em; width: 11px; height: 6px; border-left: 2px solid var(--accent-ink); border-bottom: 2px solid var(--accent-ink); transform: rotate(-45deg); }
.work-link { align-self: flex-start; margin-top: auto; }
.work-link-icon { font-size: 13px; transition: transform .25s var(--ease-out); }
.work-link:hover .work-link-icon { transform: translate(2px, -2px); }
.works-note { display: flex; gap: 12px; align-items: flex-start; margin-top: 24px; padding: 16px 20px; border-radius: 14px; background: var(--gray-50); font-size: 13.5px; color: var(--muted); line-height: 1.8; }
.works-note-mark { flex: none; width: 20px; height: 20px; margin-top: 2px; border-radius: 50%; display: grid; place-items: center; background: var(--muted); color: #fff; font-family: var(--font-en); font-weight: 700; font-size: 11px; }

/* ---------- footer ---------- */
.site-footer { background: var(--navy); color: #aab4c2; padding: 72px 0 28px; font-size: 14px; }
.footer-inner { display: grid; gap: 40px; }
@media (min-width: 760px) { .footer-inner { grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: 32px; } }
.footer-tagline { margin: 16px 0 24px; line-height: 1.8; }
.footer-heading { font-family: var(--font-en); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; font-size: 12px; color: #fff; margin-bottom: 14px; }
.footer-col ul { display: grid; gap: 8px; }
.footer-col a { text-decoration: none; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-address { font-style: normal; line-height: 1.9; }
.footer-mail { margin-top: 14px; line-height: 1.8; }
.footer-mail a { color: #fff; text-decoration: none; }
.footer-mail a:hover { text-decoration: underline; }
.footer-mail small { color: #7f8a9a; font-size: 12px; }
.footer-bottom { margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .1); color: #7f8a9a; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.footer-legal { color: #aab4c2; text-decoration: none; font-size: 13px; }
.footer-legal:hover { color: #fff; text-decoration: underline; }
.field-check label a { color: var(--accent-ink); font-weight: 700; }

/* ---------- legal page ---------- */
.legal { padding-block: clamp(48px, 8vw, 96px) clamp(80px, 10vw, 120px); }
.legal-inner { max-width: calc(760px + var(--gutter) * 2); }
.legal-title { font-size: clamp(28px, 4vw, 38px); margin-bottom: 12px; }
.legal-lead { color: var(--muted); margin-bottom: 40px; }
.legal-body { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(24px, 5vw, 56px); }
.legal-body h2 { font-size: 18px; margin: 36px 0 12px; padding-top: 28px; border-top: 1px solid var(--line); }
.legal-body h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.legal-body p, .legal-body li { font-size: 15px; line-height: 1.95; }
.legal-body ul { display: grid; gap: 6px; margin-top: 8px; }
.legal-body ul li { position: relative; padding-left: 18px; }
.legal-body ul li::before { content: ""; position: absolute; left: 2px; top: .8em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.legal-body a { color: var(--accent-ink); font-weight: 700; }
.legal-body address { font-style: normal; line-height: 1.95; }
.legal-meta { margin-top: 36px; font-size: 14px; color: var(--muted); text-align: right; }
.back-link { display: inline-block; margin-top: 32px; }

/* ---------- reveal (JS 有効時のみ) ---------- */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease-out), transform .6s var(--ease-out); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .tail-path { stroke-dashoffset: 0; }
  .speed-lines line { stroke-dashoffset: 0; }
  .runner { display: none; }
  .js .reveal { opacity: 1; transform: none; }
}

@media (max-width: 520px) {
  .hero-actions .btn, .requirements-actions .btn, .subsidy-copy .btn, .cta-band-actions .btn { width: 100%; }
}