/* ── header ───────────────────────────────────────────── */
.site-head {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  font-family: var(--mono);
  font-size: var(--s-1);
  font-weight: 700;
  color: var(--paper);
  background: var(--accent);
  letter-spacing: .1em;
  padding: .28rem .42rem .28rem .52rem;
  border-radius: var(--r);
  line-height: 1;
}
.brand-name {
  font-size: var(--s1);
  font-weight: 700;
  letter-spacing: .01em;
}
.nav {
  display: flex;
  gap: 1.6rem;
  align-items: center;
}
.nav a {
  color: var(--body);
  text-decoration: none;
  font-size: var(--s-1);
  letter-spacing: .06em;
  padding-block: .4rem;
  border-bottom: 1px solid transparent;
  transition: color .18s, border-color .18s;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--accent); }

.nav-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  flex-shrink: 0;
  background: none;
  border: none;
  padding: 0;
}
.nav-toggle-label:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
.nav-toggle-label span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}

@media (max-width: 800px) {
  .nav-toggle-label { display: flex; }
  .nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    max-width: 100vw;
    height: calc(100vh - 64px);
    height: calc(100dvh - 64px);
    z-index: 21;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    padding: .5rem clamp(1.25rem, 4vw, 2.5rem) 2rem;
    clip-path: inset(0 0 0 100%);
    visibility: hidden;
    transition: clip-path .25s ease, visibility 0s linear .25s;
    overflow-y: auto;
  }
  .nav a {
    width: 100%;
    padding-block: 1rem;
    border-bottom: 1px solid var(--line-soft);
    font-size: var(--s0);
  }
  .nav.is-open {
    clip-path: inset(0 0 0 0);
    visibility: visible;
    transition: clip-path .25s ease, visibility 0s linear 0s;
  }
  .nav-toggle-label.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle-label.is-active span:nth-child(2) { opacity: 0; }
  .nav-toggle-label.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ── hero ─────────────────────────────────────────────── */
.hero {
  position: relative;
}
.hero-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding-block: clamp(2.75rem, 6vw, 4.5rem) clamp(2.25rem, 4.5vw, 3.25rem);
}
.hero-main {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  max-width: 40rem;
}
.hero h1 {
  font-size: var(--s4);
  line-height: 1.3;
}
.hero-industries-label {
  font-family: var(--mono);
  font-size: var(--s-1);
  letter-spacing: .06em;
  color: var(--muted);
  margin-bottom: .8rem;
}
.industry-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.industry-chips li {
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: .35rem .75rem;
  font-size: var(--s-1);
  color: var(--body);
  background: var(--paper);
}
@media (min-width: 901px) {
  .hero-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
  }
  .hero-industries { max-width: 21rem; }
}
.hero .lead {
  font-size: var(--s1);
  color: var(--body);
  max-width: 54rem;
}
.cta-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .4rem; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1.4rem;
  border-radius: var(--r);
  font-size: var(--s-1);
  letter-spacing: .06em;
  text-decoration: none;
  border: 1px solid var(--accent);
  transition: background .18s, color .18s, transform .18s;
}
.btn-primary { background: var(--accent); color: var(--paper); }
.btn-primary:hover { background: var(--accent-hi); border-color: var(--accent-hi); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent-soft); }
.btn:active { transform: translateY(1px); }

/* ── breadcrumb ───────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: var(--s-1);
  color: var(--muted);
  margin-bottom: 1.75rem;
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--line); }

/* ── sections ─────────────────────────────────────────── */
.section { padding-block: clamp(2.25rem, 4.5vw, 3.25rem); }
.section-head {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  margin-bottom: 3rem;
  max-width: var(--read);
}
.section-head h1, .section-head h2 { font-size: var(--s3); }
.section-head p { color: var(--body); font-size: var(--s1); line-height: 1.8; }

/* reasons — numbered ruled rows (works / caps と同じ罫線言語) */
.reasons-list { display: flex; flex-direction: column; gap: 0; }
.reason-row {
  display: grid;
  grid-template-columns: 3.5rem minmax(11rem, 16rem) 1fr;
  gap: .4rem 2rem;
  padding-block: 1.15rem;
  align-items: baseline;
}
.reason-row + .reason-row { border-top: 1px solid var(--line); }
.reason-row:first-child { padding-top: 0; }
.reason-n { font-family: var(--mono); font-size: var(--s-1); color: var(--accent); letter-spacing: .06em; }
.reason-row h3 { font-size: var(--s0); font-weight: 700; }
.reason-row p { font-size: var(--s-1); line-height: 1.8; color: var(--body); }
@media (max-width: 640px) {
  .reason-row { grid-template-columns: 3rem 1fr; }
  .reason-row p { grid-column: 2; }
}

/* next — 横並び 2 カード (引き取り / ご依頼の流れ) */
.next-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.next-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}
.next-card h2 { font-size: var(--s2); }
.next-card p { color: var(--body); font-size: var(--s-1); line-height: 1.8; }
.next-card .btn { margin-top: auto; }
@media (max-width: 720px) {
  .next-grid { grid-template-columns: 1fr; }
}

/* capability list */
.caps { display: flex; flex-direction: column; gap: 0; }
.cap {
  display: grid;
  grid-template-columns: minmax(11rem, 16rem) 1fr;
  gap: .5rem 2rem;
  padding-block: 1.15rem;
}
.cap + .cap { border-top: 1px solid var(--line); }
.cap:first-child { padding-top: 0; }
.cap h3 { font-family: var(--sans); font-size: var(--s0); font-weight: 700; }
.cap p { font-size: var(--s-1); color: var(--body); }
@media (max-width: 640px) { .cap { grid-template-columns: 1fr; } }

.note {
  margin-top: 1.75rem;
  font-size: var(--s0);
  color: var(--body);
  max-width: var(--read);
}

/* estimate example */
.section-tint { background: var(--paper); }
.estimate-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .9rem 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: estimate;
}
@media (max-width: 640px) {
  .estimate-list { grid-template-columns: 1fr; }
}
.estimate-list li {
  counter-increment: estimate;
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding-block: .6rem;
  border-top: 1px solid var(--line);
  font-size: var(--s-1);
  color: var(--body);
}
.estimate-list li::before {
  content: counter(estimate, decimal-leading-zero);
  font-family: var(--mono);
  font-size: var(--s-1);
  color: var(--accent);
  letter-spacing: .06em;
}

/* works — unified case list (site.yaml: works.items). No images, no decorative vertical lines. */
.works-list { display: flex; flex-direction: column; gap: 0; }
.works-item {
  display: grid;
  grid-template-columns: minmax(9rem, 12rem) 1fr;
  gap: .3rem 2rem;
  padding-block: 1.5rem;
}
.works-item + .works-item { border-top: 1px solid var(--line); }
.works-item:first-child { padding-top: 0; }
.works-industry { font-family: var(--mono); font-size: var(--s-1); color: var(--accent); letter-spacing: .04em; }
.works-body h2, .works-body h3 { font-size: var(--s1); font-weight: 700; }
.works-body p { font-size: var(--s-1); color: var(--body); line-height: 1.8; margin-top: .4rem; }
.works-meta { font-size: var(--s-1); color: var(--body); margin-top: .5rem; }
.works-tags { display: inline-block; margin-left: .75rem; color: var(--muted); }
.works-meta .works-tags:first-child { margin-left: 0; }
.section-cta { margin-top: 1.75rem; }
@media (max-width: 640px) { .works-item { grid-template-columns: 1fr; gap: .4rem; } }

/* works teaser (業務システム開発ページに掲載する先頭3件へのリンク) */
.works-teaser-list { display: flex; flex-direction: column; gap: 0; }
@media (max-width: 640px) {
  .works-teaser-item { flex-direction: column; gap: .3rem; }
  .works-teaser-item .works-industry { width: auto; }
}

/* cta band */
.cta-band { background: var(--ink); }
.cta-band-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
  padding-block: 2.5rem;
}
.cta-band h2 { color: var(--paper); font-size: var(--s2); }
.cta-band p { color: color-mix(in srgb, var(--paper) 78%, transparent); font-size: var(--s0); margin-top: .4rem; max-width: 32rem; }
.cta-band .btn-primary { flex-shrink: 0; }

/* process — a real sequence, told as a timeline with a large index numeral */
.steps { display: flex; flex-direction: column; gap: 0; }
@media (max-width: 560px) { .step { grid-template-columns: 1fr; gap: .4rem; } }

/* profile */
.profile-head { display: flex; flex-direction: row; align-items: center; gap: 1.5rem; }
.profile-photo { flex-shrink: 0; width: 84px; height: 112px; overflow: hidden; border: 1px solid var(--line); }
.profile-photo img { width: 100%; height: 100%; object-fit: cover; }
.facts { width: 100%; max-width: var(--read); border-collapse: collapse; font-size: var(--s-1); }
.facts th, .facts td { text-align: left; vertical-align: top; padding: .85rem 0; border-bottom: 1px solid var(--line); }
.facts th { width: 8.5rem; font-weight: 700; color: var(--ink); white-space: nowrap; padding-right: 1.5rem; }
.facts td { color: var(--body); }
.facts tr:first-child th, .facts tr:first-child td { padding-top: 0; }
.facts tr:last-child th, .facts tr:last-child td { border-bottom: none; }
.facts-list { margin: 0; padding-left: 1.1rem; display: flex; flex-direction: column; gap: .3rem; }
.tech-info { display: flex; flex-direction: column; gap: .5rem; margin: 0; }
.tech-info dt { font-family: var(--mono); font-size: var(--s-1); color: var(--accent); letter-spacing: .04em; }
.tech-info dd { margin: 0; color: var(--body); }
@media (max-width: 640px) {
  .facts, .facts tbody, .facts tr, .facts th, .facts td { display: block; width: auto; }
  .facts tr { padding-block: .6rem; border-bottom: 1px solid var(--line); }
  .facts th, .facts td { border-bottom: none; padding: 0; white-space: normal; }
  .facts th { padding-bottom: .3rem; }
}

/* contact */
.contact-box {
  display: flex;
  flex-direction: column;
  max-width: var(--read);
}
.contact-mail {
  font-family: var(--mono);
  font-size: var(--s1);
  color: var(--accent);
  word-break: break-all;
}

.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.contact-form .form-group { display: flex; flex-direction: column; gap: .4rem; }
.contact-form label { font-weight: 700; font-size: var(--s-1); color: var(--ink); }
.contact-form .required { font-weight: 400; color: var(--muted); }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form select,
.contact-form textarea {
  width: 100%;
  box-sizing: border-box;
  padding: .65rem .9rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--paper);
  color: var(--body);
  font-family: inherit;
  font-size: var(--s0);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
.contact-form textarea { min-height: 10rem; resize: vertical; }
.contact-form .form-group-turnstile { min-height: 65px; }
.contact-form .form-group-turnstile .cf-turnstile { max-width: 100%; }
.contact-form .form-group-submit { margin-top: .5rem; }
.contact-form button[type="submit"] {
  align-self: flex-start;
  font-family: inherit;
}
.contact-form button[type="submit"]:disabled { opacity: .5; cursor: not-allowed; }
.form-message { font-size: var(--s-1); }
.form-message:empty { display: none; }
.form-message-error {
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--ink);
  padding: .75rem 1rem;
}
.form-message-success {
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--ink);
  padding: .75rem 1rem;
}

/* footer */
.site-foot {
  padding-block: 2rem;
  font-size: var(--s-1);
  color: var(--body);
}
.foot-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; }
.foot-nav { display: flex; flex-wrap: wrap; gap: .3rem 1.25rem; }
.foot-nav a { color: var(--body); text-decoration: none; }
.foot-nav a:hover { color: var(--accent); }

/* motion */
.reveal { animation: rise .7s cubic-bezier(.2, .7, .3, 1) both; }
.reveal:nth-child(2) { animation-delay: .07s; }
.reveal:nth-child(3) { animation-delay: .14s; }
.reveal:nth-child(4) { animation-delay: .21s; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; }
  * { transition-duration: .01ms !important; }
}

/* ── pricing page: flow — numbered timeline, no card box ──── */
.flow-list { display: flex; flex-direction: column; gap: 0; margin: 0; padding: 0; list-style: none; }
#pricing.section { padding-block-end: 0; }
#flow.section { padding-block-start: 0; }
.flow-item { padding-block: 1.75rem; }
.flow-item + .flow-item { border-top: 1px solid var(--line); }
.flow-list .flow-item:first-child { padding-top: 0; }
.flow-item-head { display: flex; align-items: baseline; gap: 1.1rem; margin-bottom: 1rem; }
.flow-item-n { font-family: var(--mono); font-size: var(--s2); font-weight: 700; color: var(--accent); line-height: 1; }
.flow-item-head h3 { font-size: var(--s1); font-weight: 700; }
.flow-item-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 1.25rem; }
.flow-item-label {
  display: block;
  font-family: var(--mono);
  font-size: var(--s-1);
  color: var(--muted);
  letter-spacing: .04em;
  margin-bottom: .35rem;
}
.flow-item-grid p { font-size: var(--s-1); color: var(--body); line-height: 1.75; }

/* ── pricing page: price sections ────────────────────────── */
.subsection-heading { font-size: var(--s2); font-weight: 700; margin-top: 3.5rem; }
.subsection-lead { color: var(--body); font-size: var(--s0); margin-top: .5rem; max-width: var(--read); }

@media (max-width: 720px) {
  .pricing-table-wrap { overflow-x: visible; }
  .pricing-table { min-width: 0; display: block; table-layout: auto; }
  .pricing-table thead { display: none; }
  .pricing-table tbody { display: block; }
  .pricing-table tr {
    display: block;
    padding-block: 1.25rem;
    border-bottom: 1px solid var(--line);
  }
  .pricing-table tr:first-child { padding-top: 0; }
  .pricing-table td {
    display: block;
    width: 100%;
    padding: .4rem 0 0;
    border-bottom: none;
  }
  .pricing-table td::before {
    content: attr(data-label);
    display: block;
    font-family: var(--mono);
    font-size: var(--s-1);
    letter-spacing: .04em;
    color: var(--muted);
    margin-bottom: .2rem;
  }
  .pricing-table td:first-child::before { display: none; }
}

/* ── pricing page: FAQ / prep memo ────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item { padding-block: 1.25rem; }
.faq-item + .faq-item { border-top: 1px solid var(--line); }
.faq-item:first-child { padding-top: 0; }
.faq-q { font-weight: 700; font-size: var(--s0); color: var(--ink); }
.faq-q::before { content: "Q. "; color: var(--accent); font-family: var(--mono); }
.faq-a { font-size: var(--s-1); color: var(--body); margin-top: .5rem; line-height: 1.75; }
.faq-a::before { content: "A. "; color: var(--muted); font-family: var(--mono); }