/* ==========================================================================
   Portfolio Flat – main.css
   フラット × テクニカル。装飾は「1px の線」「モノスペースのラベル」「グリッド」で作る。
   ========================================================================== */

:root {
  --bg: #ffffff;
  --surface: #f5f7fa;
  --surface-2: #eef1f5;
  --ink: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --primary: #2563eb;
  --primary-ink: #1d4ed8;
  --primary-soft: #dbeafe;
  --web: #0e7490;
  --web-soft: #cffafe;
  --system: #ea580c;
  --system-soft: #ffedd5;
  --success: #16a34a;
  --danger: #dc2626;
  --code-bg: #0b1220;
  --radius: 6px;
  --font-sans: "Inter", "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --container: 1160px;
  --narrow: 760px;
  --wide: 1000px;
  --header-h: 64px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-sans); font-size: 16px; line-height: 1.8; color: var(--text); background: var(--bg); font-feature-settings: "palt"; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.35; margin: 0; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); white-space: nowrap; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 1000; }
.skip-link:focus { left: 8px; top: 8px; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ---------- layout ---------- */
.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }
.container--narrow { width: min(100% - 40px, var(--narrow)); }
.container--wide { width: min(100% - 40px, var(--wide)); }
.section { padding: 96px 0; }
.section--work { background: var(--surface); border-block: 1px solid var(--line); }
.section--about { background: var(--surface); border-block: 1px solid var(--line); }
.section--related { padding: 72px 0; background: var(--surface); border-top: 1px solid var(--line); }
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) { .grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid--3 { grid-template-columns: 1fr; } .section { padding: 64px 0; } }

/* ---------- type utilities ---------- */
.mono { font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: 0.02em; }
.mono-label { font-family: var(--font-mono); font-size: 12px; font-weight: 500; color: var(--primary); letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 8px; }
.mono-label--light { color: #93c5fd; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 40px; flex-wrap: wrap; }
.section-head__label { display: block; font-family: var(--font-mono); font-size: 12px; color: var(--primary); letter-spacing: 0.1em; margin-bottom: 6px; }
.section-head__title { font-size: 32px; }
.section-lead { max-width: 640px; margin-bottom: 32px; }
.link-arrow { font-family: var(--font-mono); font-size: 13px; font-weight: 500; color: var(--ink); white-space: nowrap; }
.link-arrow::after { content: " →"; transition: transform .2s; display: inline-block; }
.link-arrow:hover { text-decoration: none; color: var(--primary); }
.link-arrow:hover::after { transform: translateX(4px); }
.link-arrow--light { color: #fff; }
.empty { color: var(--muted); padding: 40px; border: 1px dashed var(--line-strong); text-align: center; border-radius: var(--radius); }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border-radius: var(--radius); font-weight: 600; font-size: 15px; line-height: 1; border: 1px solid transparent; cursor: pointer; transition: background .15s, color .15s, border-color .15s, transform .15s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--ink); color: #fff; }
.btn--primary:hover { background: var(--primary); }
.btn--outline { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--outline:hover { border-color: var(--ink); }
.btn--white { background: #fff; color: var(--ink); }
.btn--white:hover { background: var(--primary-soft); }
.btn--sm { padding: 9px 16px; font-size: 13px; }
.btn--lg { padding: 15px 28px; font-size: 16px; }

/* ---------- badges / tags / chips ---------- */
.badge { display: inline-block; font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: 0.05em; padding: 3px 8px; border-radius: 3px; background: var(--primary-soft); color: var(--primary-ink); line-height: 1.4; }
.badge--web { background: var(--web-soft); color: var(--web); }
.badge--system { background: var(--system-soft); color: var(--system); }
a.badge:hover { text-decoration: none; filter: brightness(.95); }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { display: inline-block; font-family: var(--font-mono); font-size: 12px; padding: 3px 8px; border: 1px solid var(--line); border-radius: 3px; color: var(--text); background: #fff; line-height: 1.4; }
.tag--fill { background: var(--surface-2); border-color: var(--surface-2); color: var(--ink); }
a.tag:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.tag-list--sm .tag { font-size: 11px; padding: 2px 6px; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 7px 14px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; color: var(--text); background: #fff; }
.chip--sm { padding: 4px 10px; font-size: 12px; font-family: var(--font-mono); }
.chip:hover { border-color: var(--ink); text-decoration: none; }
.chip.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip.is-active .mono { color: #cbd5e1; }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.site-brand { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.site-brand__name { font-weight: 700; font-size: 18px; color: var(--ink); letter-spacing: -0.02em; white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; }
.site-brand__name:hover { text-decoration: none; }
.site-brand__mark { font-family: var(--font-mono); font-size: 13px; color: #fff; background: var(--ink); padding: 3px 6px; border-radius: 4px; }
.site-brand__tagline { font-family: var(--font-mono); font-size: 11px; color: var(--muted); white-space: nowrap; }
.site-brand .custom-logo { max-height: 36px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 24px; }
.site-nav__list { display: flex; gap: 28px; }
.site-nav__list a { font-family: var(--font-mono); font-size: 13px; font-weight: 500; color: var(--ink); letter-spacing: 0.04em; position: relative; padding: 6px 0; }
.site-nav__list a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--primary); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.site-nav__list a:hover { text-decoration: none; }
.site-nav__list a:hover::after, .site-nav__list .current-menu-item a::after { transform: scaleX(1); }
.nav-toggle { display: none; width: 44px; height: 44px; background: none; border: 1px solid var(--line); border-radius: var(--radius); flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 860px) {
  .site-brand__tagline { display: none; }
  .nav-toggle { display: flex; }
  .site-nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 16px 20px 24px; gap: 16px; }
  .site-nav.is-open { display: flex; }
  .site-nav__list { flex-direction: column; gap: 4px; }
  .site-nav__list a { display: block; padding: 12px 4px; font-size: 15px; border-bottom: 1px solid var(--line); }
  .site-nav__list a::after { display: none; }
}

/* ---------- hero ---------- */
.hero { position: relative; padding: 96px 0 104px; overflow: hidden; border-bottom: 1px solid var(--line); background-color: #fff; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 40px 40px; background-position: center top; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 20%, rgba(255,255,255,1) 0%, rgba(255,255,255,.85) 40%, rgba(255,255,255,.4) 100%); pointer-events: none; }
.hero__inner { position: relative; display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: center; }
.hero__title { font-size: clamp(34px, 5vw, 56px); line-height: 1.25; letter-spacing: -0.03em; margin: 0 0 24px; }
.hero__lead { font-size: 17px; max-width: 520px; margin-bottom: 32px; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.term { background: var(--code-bg); border-radius: 10px; box-shadow: 0 30px 60px -30px rgba(15,23,42,.5); overflow: hidden; border: 1px solid #1e293b; }
.term__bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #111a2e; border-bottom: 1px solid #1e293b; }
.term__bar span { width: 10px; height: 10px; border-radius: 50%; background: #334155; }
.term__bar span:nth-child(1) { background: #f87171; } .term__bar span:nth-child(2) { background: #fbbf24; } .term__bar span:nth-child(3) { background: #34d399; }
.term__bar em { margin-left: auto; font: 11px var(--font-mono); color: #64748b; font-style: normal; }
.term__body { margin: 0; padding: 20px 22px; font: 13px/1.85 var(--font-mono); color: #e2e8f0; white-space: pre-wrap; overflow-x: auto; }
.term__body .c { color: #64748b; } .term__body .k { color: #7dd3fc; } .term__body .s { color: #86efac; }
@media (max-width: 900px) { .hero__inner { grid-template-columns: 1fr; gap: 40px; } .hero { padding: 64px 0 72px; } }

/* ---------- cards ---------- */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: border-color .2s, transform .2s, box-shadow .2s; }
.card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 12px 30px -18px rgba(37,99,235,.4); }
.card--pad { padding: 32px; }
.card__thumb { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.card__thumb img, .card__thumb svg { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.card:hover .card__thumb img { transform: scale(1.03); }
.card__body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card__meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.card__title { font-size: 17px; line-height: 1.45; }
.card__title a { color: var(--ink); }
.card__title a:hover { color: var(--primary); text-decoration: none; }
.card__client { font-size: 13px; color: var(--muted); margin: 0; }
.card__excerpt { font-size: 14px; color: var(--muted); margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.card--work .tag-list, .card--blog .card__excerpt { margin-top: auto; }

/* ---------- about ---------- */
.about { display: grid; grid-template-columns: 1.4fr 1fr; gap: 56px; align-items: start; }
.about__name { font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 16px; }
.about__role { display: block; font-family: var(--font-mono); font-size: 12px; color: var(--muted); font-weight: 400; margin-top: 4px; }
.about__sub { font-size: 16px; margin: 28px 0 12px; }
.check-list li { position: relative; padding-left: 26px; margin-bottom: 6px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; font-family: var(--font-mono); font-weight: 700; color: var(--primary); }
.about__side { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 20px; }
.spec { display: flex; flex-direction: column; gap: 0; margin: 0; }
.spec > div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.spec > div:last-child { border-bottom: 0; }
.spec dt { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.08em; padding-top: 4px; }
.spec dd { margin: 0; color: var(--ink); font-size: 15px; }
.social { display: flex; gap: 8px; flex-wrap: wrap; }
.social a { font-family: var(--font-mono); font-size: 12px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 3px; color: var(--ink); }
.social a:hover { text-decoration: none; border-color: var(--ink); }
@media (max-width: 860px) { .about { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- contact form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.req { font-family: var(--font-mono); font-size: 10px; color: #fff; background: var(--danger); padding: 2px 6px; border-radius: 3px; margin-left: 6px; vertical-align: middle; }
.form-field input, .form-field select, .form-field textarea { width: 100%; padding: 11px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius); font: inherit; background: #fff; color: var(--ink); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.form-field textarea.is-invalid { border-color: var(--danger); }
.form-error { margin: 0; font-size: 13px; color: var(--danger); }
.form-note { font-size: 13px; color: var(--muted); margin: 16px 0; }
.hp { position: absolute; left: -9999px; }
.notice { padding: 14px 16px; border-radius: var(--radius); margin-bottom: 20px; font-size: 14px; border: 1px solid; }
.notice--success { background: #f0fdf4; border-color: #86efac; color: #166534; }
.notice--error { background: #fef2f2; border-color: #fca5a5; color: #991b1b; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } .card--pad { padding: 22px; } }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #cbd5e1; padding: 64px 0 28px; margin-top: 0; }
.site-footer a { color: #e2e8f0; }
.site-footer .site-brand__name { color: #fff; }
.site-footer .site-brand__mark { background: var(--primary); }
.site-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid #1e293b; }
.site-footer__desc { font-size: 13px; margin: 14px 0 18px; color: #94a3b8; }
.site-footer .social a { border-color: #334155; color: #e2e8f0; }
.site-footer__list li { margin-bottom: 8px; }
.site-footer__list a { font-family: var(--font-mono); font-size: 13px; }
.site-footer__contact .mono-label { color: #60a5fa; }
.site-footer__contact p { margin-bottom: 12px; }
.site-footer__contact .btn--outline { color: #fff; border-color: #475569; }
.site-footer__bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; font-family: var(--font-mono); font-size: 12px; color: #64748b; }
.to-top { font-family: var(--font-mono); font-size: 12px; }
@media (max-width: 760px) { .site-footer__grid { grid-template-columns: 1fr; gap: 28px; } }

/* ---------- page head / breadcrumb ---------- */
.page-head { padding: 40px 0 36px; border-bottom: 1px solid var(--line); background: var(--surface); margin-bottom: 40px; }
.page-head--single { background: #fff; }
.page-head__title { font-size: clamp(26px, 3.4vw, 38px); margin: 10px 0 12px; letter-spacing: -0.02em; }
.page-head__lead { max-width: 720px; margin: 0; color: var(--muted); }
.breadcrumb { margin-bottom: 20px; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 4px 8px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: var(--line-strong); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb [aria-current] { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 320px; }
.entry-meta { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- filter ---------- */
.filter { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.filter__group { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.filter__label { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: 0.1em; margin-right: 6px; min-width: 76px; }
.filter__search { display: flex; gap: 8px; }
.filter__search input { flex: 1; max-width: 360px; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius); font: inherit; }
.filter__search--lg { margin-bottom: 32px; }
.filter__search--lg input { max-width: 100%; padding: 12px 14px; }

/* ---------- pagination ---------- */
.pagination { margin: 48px 0 24px; }
.pagination .nav-links { display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; }
.pagination .page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 12px; border: 1px solid var(--line); border-radius: var(--radius); font-family: var(--font-mono); font-size: 13px; color: var(--ink); }
.pagination .page-numbers.current { background: var(--ink); color: #fff; border-color: var(--ink); }
.pagination a.page-numbers:hover { border-color: var(--ink); text-decoration: none; }

/* ---------- work single ---------- */
.work-single__mv { margin: 0 0 48px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.work-single__mv img { width: 100%; }
.spec-sheet { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 28px; margin-bottom: 56px; background: var(--surface); }
.spec--grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; }
.spec--grid > div { grid-template-columns: 96px 1fr; }
.spec__full { grid-column: 1 / -1; }
.spec__note { font-size: 13px; color: var(--muted); margin: 8px 0 0; }
.csr { display: flex; flex-direction: column; gap: 32px; margin-bottom: 56px; }
.csr__item { position: relative; padding-left: 72px; }
.csr__head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.csr__head h2 { font-size: 20px; }
.csr__head .mono-label { margin: 0; }
.csr__num { position: absolute; left: 0; top: -4px; font-family: var(--font-mono); font-size: 32px; font-weight: 600; color: var(--line-strong); letter-spacing: -0.04em; }
.csr__item::before { content: ""; position: absolute; left: 52px; top: 8px; bottom: -24px; width: 1px; background: var(--line); }
.csr__item:last-child::before { display: none; }
.gallery { margin: 56px 0; }
.gallery__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.gallery__item { display: block; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.gallery__item:hover { border-color: var(--primary); }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 56px 0 72px; padding-top: 24px; border-top: 1px solid var(--line); }
.post-nav__item { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: border-color .2s, transform .2s; }
a.post-nav__item:hover { border-color: var(--primary); transform: translateY(-2px); text-decoration: none; }
.post-nav__item--older { justify-content: flex-end; text-align: right; }
.post-nav__item--empty { border: 0; background: none; padding: 0; }
.post-nav__arrow { font-family: var(--font-mono); font-size: 14px; color: var(--muted); flex: none; transition: color .2s, transform .2s; }
a.post-nav__item:hover .post-nav__arrow { color: var(--primary); }
a.post-nav__item--newer:hover .post-nav__arrow { transform: translateX(-3px); }
a.post-nav__item--older:hover .post-nav__arrow { transform: translateX(3px); }
.post-nav__title { font-size: 14.5px; font-weight: 600; color: var(--ink); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
@media (max-width: 600px) { .spec--grid { grid-template-columns: 1fr; } .csr__item { padding-left: 0; } .csr__num { position: static; display: block; font-size: 20px; } .csr__item::before { display: none; } .gallery__grid { grid-template-columns: 1fr; } .post-nav { grid-template-columns: 1fr; } .post-nav__item--older { justify-content: flex-start; text-align: left; } .post-nav__item--empty { display: none; } }

/* ---------- blog single / entry content ---------- */
.blog-single__mv { margin: 0 0 40px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.entry-content { font-size: 16.5px; line-height: 1.95; }
.entry-content > * { margin-block: 0 1.6em; }
.entry-content h2 { font-size: 26px; margin: 2.4em 0 .9em; padding: 0 0 .4em; border-bottom: 2px solid var(--ink); position: relative; }
.entry-content h2::before { content: "##"; font-family: var(--font-mono); color: var(--primary); font-weight: 600; margin-right: 10px; font-size: .75em; }
.entry-content h3 { font-size: 21px; margin: 2em 0 .8em; padding-left: 14px; border-left: 3px solid var(--primary); }
.entry-content h4 { font-size: 17px; margin: 1.6em 0 .6em; }
.entry-content ul, .entry-content ol { padding-left: 1.5em; }
.entry-content ul { list-style: disc; } .entry-content ol { list-style: decimal; }
.entry-content li { margin-bottom: .4em; }
.entry-content a { text-decoration: underline; text-underline-offset: 3px; }
.entry-content img { border-radius: var(--radius); }
.entry-content blockquote { margin: 0 0 1.6em; padding: 16px 20px; border-left: 3px solid var(--line-strong); background: var(--surface); color: var(--muted); }
.entry-content blockquote p:last-child { margin-bottom: 0; }
.entry-content pre { background: var(--code-bg); color: #e2e8f0; padding: 20px 22px; border-radius: var(--radius); overflow-x: auto; font: 13.5px/1.7 var(--font-mono); }
.entry-content code { font-family: var(--font-mono); font-size: .9em; }
.entry-content :not(pre) > code { background: var(--surface-2); padding: 2px 6px; border-radius: 3px; color: var(--primary-ink); }
.entry-content table { width: 100%; border-collapse: collapse; font-size: 15px; }
.entry-content th, .entry-content td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.entry-content th { background: var(--surface); font-family: var(--font-mono); font-size: 13px; }
.entry-content .wp-block-details { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; background: #fff; }
.entry-content .wp-block-details summary { font-weight: 600; color: var(--ink); cursor: pointer; }
.entry-content .wp-block-details summary::before { content: "Q."; font-family: var(--font-mono); color: var(--primary); margin-right: 8px; }
.entry-content .wp-block-details > *:not(summary) { margin-top: 12px; }
.entry-content .wp-block-details[open] { border-color: var(--primary); }
.entry-content figcaption { font-size: 13px; color: var(--muted); text-align: center; }
.toc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; margin: 0 0 2.4em; }
.toc__title { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; color: var(--muted); margin: 0 0 10px; }
.toc__title::before { content: "// "; color: var(--primary); }
.toc__list { list-style: none; padding: 0; counter-reset: toc; }
.toc__list > li { counter-increment: toc; margin-bottom: 6px; }
.toc__list > li::before { content: counter(toc, decimal-leading-zero); font-family: var(--font-mono); font-size: 12px; color: var(--primary); margin-right: 10px; }
.toc__list a { color: var(--ink); text-decoration: none; }
.toc__list a:hover { color: var(--primary); }
.toc__sub { list-style: none; padding-left: 30px; margin-top: 4px; font-size: 14px; }
.toc__sub li::before { content: "–"; color: var(--line-strong); margin-right: 8px; }
.entry-tags { display: flex; align-items: center; gap: 12px; margin: 48px 0 32px; flex-wrap: wrap; }
.entry-tags .mono-label { margin: 0; }
.author-box { display: grid; grid-template-columns: 64px 1fr; gap: 20px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.author-box__avatar { width: 64px; height: 64px; border-radius: 50%; overflow: hidden; background: var(--primary-soft); }
.author-box__avatar img, .author-box__avatar svg { width: 100%; height: 100%; object-fit: cover; display: block; }
.author-box__name { font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.author-box__name span { font-family: var(--font-mono); font-size: 12px; color: var(--muted); font-weight: 400; margin-left: 8px; }
.author-box__text { font-size: 14px; color: var(--muted); margin-bottom: 8px; }

/* ---------- CTA ---------- */
.cta { padding: 72px 0; }
.cta__box { background: var(--ink); color: #cbd5e1; border-radius: 10px; padding: 40px 44px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center; position: relative; overflow: hidden; }
.cta__box::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(#1e293b 1px, transparent 1px), linear-gradient(90deg, #1e293b 1px, transparent 1px); background-size: 32px 32px; opacity: .5; pointer-events: none; }
.cta__text, .cta__actions { position: relative; z-index: 1; }
.cta__title { color: #fff; font-size: 24px; margin-bottom: 10px; }
.cta__text p:last-child { margin: 0; font-size: 15px; }
.cta__actions { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
@media (max-width: 760px) { .cta__box { grid-template-columns: 1fr; padding: 28px; } }

/* ---------- comments ---------- */
.comments { margin: 56px 0; }
.comments__title { font-size: 20px; margin-bottom: 16px; }
.comment-form input[type="text"], .comment-form input[type="email"], .comment-form input[type="url"], .comment-form textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius); font: inherit; }
.comment-form .submit { background: var(--ink); color: #fff; border: 0; padding: 12px 22px; border-radius: var(--radius); font-weight: 600; cursor: pointer; }

/* ---------- misc ---------- */
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } html { scroll-behavior: auto; } }
@media print { .site-header, .site-footer, .cta, .nav-toggle { display: none; } }

/* ---------- about: skills / terms ---------- */
.status { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 12px; font-weight: 600; padding: 3px 10px 3px 8px; border-radius: 999px; line-height: 1.5; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.status--green { background: #dcfce7; color: #166534; }
.status--amber { background: #fef3c7; color: #92400e; }
.status--gray { background: var(--surface-2); color: var(--muted); }
.spec__sub { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }

.skills, .terms { margin-top: 64px; }
.skills__head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 24px; }
.skills__head .mono-label { margin: 0; }
.skills__title { font-size: 22px; }
.skills__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.skill-group { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; }
.skill-group__title { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: 0.08em; color: var(--primary); text-transform: uppercase; margin: 0 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.skill-list { display: flex; flex-direction: column; gap: 14px; }
.skill__row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.skill__name { font-weight: 600; color: var(--ink); font-size: 15px; }
.skill__years { font-family: var(--font-mono); font-size: 12px; color: var(--muted); white-space: nowrap; }
.skill__bar { height: 6px; background: var(--surface-2); border-radius: 3px; margin-top: 6px; overflow: hidden; }
.skill__bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), #60a5fa); border-radius: 3px; }
.skill__note { font-size: 12.5px; color: var(--muted); margin: 5px 0 0; }
.skills__legend { margin: 12px 0 0; text-align: right; }

.terms__grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; align-items: start; }
.terms__card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.terms__label { font-size: 16px; margin: 0 0 14px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.budget { display: flex; flex-direction: column; }
.budget__row { display: grid; grid-template-columns: 1fr auto; gap: 8px 24px; align-items: start; padding: 16px 0; border-bottom: 1px solid var(--line); }
.budget__row:last-child { border-bottom: 0; }
.budget__item { font-size: 15.5px; font-weight: 700; color: var(--ink); margin: 0 0 4px; }
.budget__desc { font-size: 13.5px; color: var(--text); margin: 0 0 6px; line-height: 1.7; }
.budget__duration { display: inline-block; font-family: var(--font-mono); font-size: 11.5px; color: var(--muted); background: var(--surface); border: 1px solid var(--line); border-radius: 3px; padding: 2px 8px; }
.js .budget--collapsible.is-collapsed .budget__row--more { display: none; }
.js .budget--collapsible.is-collapsed .budget__row:has(+ .budget__row--more):not(.budget__row--more) { border-bottom: 0; }
.budget__toggle { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; margin-top: 12px; padding: 11px 16px; background: var(--surface); border: 1px dashed var(--line-strong); border-radius: var(--radius); font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--ink); cursor: pointer; transition: border-color .15s, background .15s; }
.budget__toggle::after { content: "▾"; transition: transform .2s; }
.budget__toggle[aria-expanded="true"]::after { transform: rotate(180deg); }
.budget__toggle:hover { border-color: var(--ink); background: #fff; }
.budget__price { font-family: var(--font-mono); font-weight: 600; font-size: 16px; color: var(--primary-ink); white-space: nowrap; padding-top: 2px; }
.terms__note { font-size: 12.5px; color: var(--muted); margin: 12px 0 0; }
.terms__card .spec > div { grid-template-columns: 90px 1fr; }
.terms__cta { margin-top: 16px; }
@media (max-width: 960px) { .skills__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .skills__grid, .terms__grid { grid-template-columns: 1fr; } .skills, .terms { margin-top: 48px; } .budget__row { grid-template-columns: 1fr; } .budget__price { padding-top: 0; } }

/* ---------- about: tabs / services / flow ---------- */
.section-head--tabs { align-items: center; }
.tabs { display: inline-flex; gap: 4px; padding: 4px; background: #fff; border: 1px solid var(--line); border-radius: 999px; }
.tabs__tab { display: inline-flex; flex-direction: column; align-items: center; gap: 1px; padding: 8px 22px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-family: var(--font-mono); font-size: 13px; font-weight: 600; letter-spacing: 0.04em; cursor: pointer; transition: background .15s, color .15s; }
.tabs__tab:hover { color: var(--ink); }
.tabs__tab[aria-selected="true"] { background: var(--ink); color: #fff; }
.tabs__sub { font-family: var(--font-sans); font-size: 10.5px; font-weight: 400; letter-spacing: 0; opacity: .75; }
.tabs__panel[hidden] { display: none; }
.tabs__panel { animation: pf-fade .25s ease; }
@keyframes pf-fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.aboutus__title { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.4; margin: 0 0 20px; letter-spacing: -0.02em; }
.about__text .btn { margin-top: 8px; }
.about__side .mono-label { margin-bottom: 4px; }
.about__side .spec > div { grid-template-columns: 84px 1fr; }
.about__side .spec dt { font-family: var(--font-sans); font-size: 13px; letter-spacing: 0; }
#panel-profile .about__side .spec dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; }

.services, .flow { margin-top: 64px; }
.services__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 20px 20px; transition: border-color .2s, transform .2s; }
.service:hover { border-color: var(--primary); transform: translateY(-2px); }
.service__num { font-family: var(--font-mono); font-size: 12px; font-weight: 600; color: var(--primary); letter-spacing: 0.08em; }
.service__num::before { content: "// "; color: var(--line-strong); }
.service__name { font-size: 16px; margin: 10px 0 8px; line-height: 1.4; }
.service__desc { font-size: 13.5px; color: var(--muted); margin: 0; line-height: 1.7; }

/* 流れ: タイムライン */
.timeline { position: relative; display: flex; flex-direction: column; padding-left: 0; }
.tl { position: relative; display: grid; grid-template-columns: 84px 1fr; gap: 24px; padding: 0 0 20px; }
.tl:last-child { padding-bottom: 0; }
.tl::before { content: ""; position: absolute; left: 41px; top: 52px; bottom: 0; width: 2px; background-image: linear-gradient(var(--line-strong) 55%, transparent 0); background-size: 2px 9px; }
.tl:last-child::before { display: none; }
.tl__marker { position: relative; display: flex; flex-direction: column; align-items: center; width: 84px; padding-top: 2px; }
.tl__step { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.18em; color: var(--muted); line-height: 1; }
.tl__num { font-family: var(--font-mono); font-size: 30px; font-weight: 700; line-height: 1.15; color: var(--ink); letter-spacing: -0.04em; }
.tl__num::after { content: ""; display: block; width: 22px; height: 3px; margin: 6px auto 0; background: var(--primary); border-radius: 2px; }
.tl__body { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 22px 17px; transition: border-color .2s, transform .2s; }
.tl:hover .tl__body { border-color: var(--primary); transform: translateX(2px); }
.tl__name { display: flex; align-items: center; gap: 9px; font-size: 16.5px; margin: 0 0 4px; }
.tl__icon { width: 19px; height: 19px; color: var(--primary); }
.tl__desc { font-size: 13.5px; color: var(--muted); margin: 0; line-height: 1.75; }
.tl--goal { padding-top: 6px; }
.tl--goal .tl__body { background: var(--ink); border-color: var(--ink); }
.tl--goal .tl__name { color: #fff; }
.tl--goal .tl__desc { color: #94a3b8; }
.tl--goal:hover .tl__body { border-color: var(--primary); }
.tl__goal-icon { display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--primary-soft); color: var(--primary-ink); }

@media (max-width: 1000px) { .services__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .section-head--tabs { align-items: flex-start; }
  .tabs { width: 100%; }
  .tabs__tab { flex: 1; padding: 8px 12px; }
  .services__grid { grid-template-columns: 1fr; }
  .tl { grid-template-columns: 52px 1fr; gap: 14px; padding-bottom: 16px; }
  .tl__marker { width: 52px; }
  .tl__num { font-size: 23px; }
  .tl::before { left: 25px; top: 42px; }
  .tl__body { padding: 14px 16px 15px; }
  .tl__goal-icon { width: 38px; height: 38px; }
  .services, .flow { margin-top: 48px; }
}


/* ---------- icons / images ---------- */
.icon { width: 24px; height: 24px; flex: none; }
.service__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.service__iconwrap { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; background: var(--primary-soft); color: var(--primary-ink); }
.service__name { margin-top: 0; }
.skill-group__title { display: flex; align-items: center; gap: 8px; }
.skill-group__icon { width: 18px; height: 18px; }

.about--aboutus { grid-template-columns: 1.1fr 1fr; align-items: center; }
.aboutus__figure { margin: 0; aspect-ratio: 4 / 3; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); box-shadow: 0 24px 48px -32px rgba(15,23,42,.35); }
.aboutus__img { width: 100%; height: 100%; object-fit: cover; display: block; }
.company { margin-top: 40px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 28px 8px; }
.company .mono-label { margin-bottom: 8px; }
.company__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 32px; margin: 0; }
.company__grid > div { display: grid; grid-template-columns: 72px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.company__grid > div:nth-last-child(-n+3):not(.company__wide) { border-bottom: 0; }
.company__grid dt { font-size: 13px; color: var(--muted); }
.company__grid dd { margin: 0; color: var(--ink); font-size: 15px; }
.company__wide { grid-column: 1 / -1; border-top: 1px solid var(--line); border-bottom: 0 !important; }
.company__wide dd { font-size: 14px; color: var(--text); }
@media (max-width: 900px) { .about--aboutus { grid-template-columns: 1fr; } .company__grid { grid-template-columns: 1fr 1fr; } .company__grid > div:nth-last-child(-n+3):not(.company__wide) { border-bottom: 1px solid var(--line); } }
@media (max-width: 600px) { .company__grid { grid-template-columns: 1fr; } }
.about__side--profile { position: relative; padding-top: 28px; }
.profile-photo { width: 96px; height: 96px; border-radius: 50%; overflow: hidden; border: 3px solid #fff; box-shadow: 0 0 0 1px var(--line); margin: 0 0 4px; background: var(--primary-soft); }
.profile-photo img, .profile-photo svg { width: 100%; height: 100%; object-fit: cover; display: block; }

.section--contact .section-head { margin-bottom: 32px; }
.contact { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; align-items: start; }
.contact__intro .section-lead { margin-bottom: 24px; }
.points { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.point { display: flex; gap: 14px; align-items: flex-start; }
.point__icon { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: var(--primary-soft); color: var(--primary-ink); flex: none; }
.point__name { display: block; color: var(--ink); font-size: 15px; }
.point__desc { display: block; font-size: 13px; color: var(--muted); margin-top: 2px; }
.contact__illust { width: 100%; max-width: 320px; height: auto; margin: 0 0 16px; }
.contact__alt { margin: 0; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; gap: 28px; } .contact__illust { display: none; } }


/* ---------- 代表者名（画像表示） ---------- */
img.owner-name { display: inline-block; width: auto; vertical-align: middle; }
img.owner-name--sm { height: 1.35em; max-height: 26px; }
img.owner-name--lg { height: 1.1em; max-height: 32px; }
.owner-name--light { filter: brightness(0) invert(1); opacity: .92; }
.about__name img.owner-name { vertical-align: -0.12em; }
.about__name--role-only .about__role { display: block; margin-top: 0; font-size: 14px; color: var(--muted); }

#pf-top { position: absolute; top: 0; left: 0; width: 1px; height: 1px; }
.to-top { cursor: pointer; }