/* arttownpjt.net renewal — base style (2026-05-29 v0) */

:root {
  color-scheme: light only;
  --c-bg:        #ffffff;
  --c-text:      #171717;
  --c-muted:     #68645f;
  --c-heading:   #4a4a4a;
  --c-accent:    #24764d;
  --c-parasol:   #e98881;
  --c-sunny:     #dc7d42;
  --c-step:      #5cb8db;
  --c-line:      #ddd7ce;
  --c-soft-bg:   #faf8f2;
  --c-focus:     #111827;
  --max-w:       1160px;
  --r-md:        8px;
  --r-lg:        8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: clip; }
body {
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, -apple-system, sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--c-focus);
  outline-offset: 3px;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(22px, 5vw, 72px);
}

/* ===== Gallery rail ===== */
.site-rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 60;
  width: 96px;
  padding: 26px 16px;
  border-right: 1px solid var(--c-line);
  background: var(--c-soft-bg);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
}
.site-rail img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}
.site-rail span {
  writing-mode: vertical-rl;
  color: var(--c-heading);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
}
@media (min-width: 921px) {
  body { padding-left: 96px; }
}
@media (max-width: 920px) {
  .site-rail { display: none; }
}

/* ===== Header ===== */
.site-header {
  border-bottom: 1px solid var(--c-line);
  background: rgba(255, 255, 255, .9);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(120%) blur(10px);
}
.site-header .inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 17px clamp(22px, 5vw, 72px);
  max-width: var(--max-w);
  margin: 0 auto;
}
.site-header .brand {
  display: block;
  color: var(--c-heading);
}
.site-header .brand { display: flex; align-items: center; }
.site-header .brand img {
  display: block;
  height: 56px;
  width: auto;
  max-width: 62vw;
}
.site-nav ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: clamp(14px, 2vw, 24px);
  font-size: 14px;
}
.site-nav a {
  color: var(--c-heading); font-weight: 800;
}
.site-nav a:hover { color: var(--c-accent); text-decoration: none; }

@media (max-width: 720px) {
  .site-header .inner { align-items: flex-start; gap: 14px; flex-direction: column; }
  .site-header .brand img { height: 42px; width: auto; }
  .site-nav ul { gap: 14px; font-size: 13px; flex-wrap: wrap; justify-content: flex-start; }
}

/* ===== Hero ===== */
.hero {
  min-height: calc(100vh - 96px);
  padding: clamp(78px, 9.5vw, 138px) 0 clamp(78px, 9.5vw, 128px);
  display: grid;
  align-items: center;
  background: #fff;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 520px);
  gap: clamp(40px, 6vw, 84px);
  align-items: stretch;
}
.eyebrow {
  color: var(--c-muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .14em;
  margin: 0 0 14px;
}
.hero h1 {
  max-width: 620px;
  font-size: clamp(23px, 2.9vw, 39px);
  color: var(--c-heading);
  margin: 0 0 26px;
  letter-spacing: 0;
  line-height: 1.4;
  font-weight: 500;
}
.hero h1 .nw { white-space: nowrap; }
.hero p.lead {
  font-size: 16px; color: var(--c-muted); margin: 0 0 30px; max-width: 590px;
  text-align: justify;
  text-justify: inter-character;
}
.hero-characters {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  gap: 8px;
  max-width: 590px;
  margin: 0 0 22px;
}
.hero-characters img { height: 150px; width: auto; }
@media (max-width: 720px) {
  .hero-characters img { height: 112px; }
}
.hero .cta-row {
  display: flex; gap: 12px; flex-wrap: wrap;
}
.hero-poster {
  position: relative;
  min-height: 420px;
  height: 100%;
  border-radius: var(--r-lg);
  background: url("../img/hero-atelier.jpg") center / cover no-repeat;
  box-shadow: 0 22px 60px rgba(23,23,23,.12);
}
.hero-poster::before {
  content: "";
  position: absolute;
  inset: -18px 18px 18px -18px;
  z-index: -1;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
}
@media (max-width: 720px) {
  .hero {
    min-height: 0;
    padding: 42px 0 44px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: clamp(30px, 10vw, 44px);
  }
  .hero-poster {
    min-height: 260px;
    aspect-ratio: 16 / 10;
  }
  .hero-poster::before {
    inset: -12px 12px 12px -12px;
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: var(--r-md);
  font-weight: 800; font-size: 15px;
  border: 1.5px solid var(--c-heading); color: var(--c-heading); background: #fff;
  transition: all .15s ease;
}
.btn:hover { background: var(--c-heading); color: #fff; text-decoration: none; }
.btn-primary { background: var(--c-heading); color: #fff; }
.btn-instagram {
  border: none;
  color: #fff;
  background: linear-gradient(45deg, #feda75 0%, #fa7e1e 22%, #d62976 52%, #962fbf 78%, #4f5bd5 100%);
}
.btn-instagram:hover { color: #fff; background: linear-gradient(45deg, #feda75 0%, #fa7e1e 22%, #d62976 52%, #962fbf 78%, #4f5bd5 100%); filter: brightness(1.06); }
.btn-primary:hover { background: var(--c-accent); border-color: var(--c-accent); }
.mobile-sticky-cta { display: none; }
@media (max-width: 720px) {
  body { padding-bottom: 72px; }
  .mobile-sticky-cta {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 80;
    display: flex;
    justify-content: center;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: rgba(255,255,255,.94);
    border-top: 1px solid var(--c-line);
    backdrop-filter: blur(8px);
  }
  .mobile-sticky-cta .btn {
    width: min(100%, 420px);
    text-align: center;
  }
}

/* ===== Section ===== */
section { padding: clamp(58px, 8vw, 92px) 0; }
section.alt { background: var(--c-soft-bg); }
h2.section-title {
  font-size: clamp(23px, 2.9vw, 39px);
  font-weight: 500;
  color: var(--c-heading);
  margin: 0 0 34px;
  line-height: 1.4;
  letter-spacing: 0;
  position: relative;
  padding-left: 0;
}
h2.section-title::before {
  content: "";
  display: block;
  width: 42px;
  height: 1px;
  margin-bottom: 18px;
  background: var(--c-heading);
  position: static;
}
h3 { color: var(--c-heading); font-size: 19px; margin: 26px 0 12px; }

/* ===== 3 service cards ===== */
.service-grid {
  display: grid; gap: 0;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.service-card {
  background: #fff;
  border: 0;
  border-right: 1px solid var(--c-line);
  border-radius: 0;
  padding: clamp(24px, 4vw, 38px);
  display: flex; flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease;
  position: relative;
  overflow: hidden;
}
.service-card:last-child { border-right: 0; }
.service-card:hover {
  transform: none;
  box-shadow: inset 0 0 0 999px rgba(250,248,242,.58);
  text-decoration: none;
}
.service-card .tag {
  font-size: 11px; letter-spacing: 0.12em; color: #fff;
  background: var(--c-accent);
  padding: 4px 10px; border-radius: 999px; align-self: flex-start;
}
.service-card.parasol .tag { background: var(--c-parasol); }
.service-card.sunny   .tag { background: var(--c-sunny); }
.service-card.step    .tag { background: var(--c-step); }

.service-card .service-identity {
  min-height: 132px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin: 12px 0 8px;
}
.form-guide {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 18px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 12px;
  padding: 14px 18px;
  margin: 18px 0 14px;
}
.form-guide p { margin: 0; }
.form-guide .btn { white-space: nowrap; flex-shrink: 0; }

behold-widget { display: block; margin-top: 20px; }
.insta-more { text-align: center; margin-top: 20px; }

.service-card .service-logo {
  height: 46px;
  width: auto;
  max-width: min(180px, 60%);
  margin: 0 0 10px;
  image-rendering: auto;
}
@media (max-width: 720px) {
  .service-card.sunny .service-logo { height: 32px; } /* 携帯でsunnyロゴを約70%に */
}
.service-card .service-character {
  width: auto;
  max-width: 42%;
  height: 132px;
  object-fit: contain;
  object-position: right bottom;
  filter: drop-shadow(0 16px 22px rgba(23,23,23,.08));
}
.service-card.sunny .service-character {
  height: 126px;
}
.service-card.step .service-character {
  height: 134px;
}
.service-card h3 { margin: 10px 0 6px; font-size: 22px; line-height: 1.35; }
.service-card .desc { color: var(--c-muted); font-size: 14px; flex: 1; }
.service-card .meta {
  border-top: 1px solid var(--c-line); margin-top: 20px; padding-top: 16px;
  font-size: 13px; color: var(--c-text);
}
.service-card .meta dl { margin: 0; display: grid; grid-template-columns: 5em 1fr; row-gap: 4px; }
.service-card .meta dt { color: var(--c-muted); }
.service-card .meta dd { margin: 0; }
@media (max-width: 899px) {
  .service-card {
    border-right: 0;
    border-bottom: 1px solid var(--c-line);
  }
  .service-card:last-child { border-bottom: 0; }
}

/* ===== Info table ===== */
.info-table {
  width: 100%; border-collapse: collapse; margin: 16px 0;
  font-size: 14px;
  background: #fff;
  border-top: 1px solid var(--c-line);
}
.info-table th, .info-table td {
  text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--c-line);
  vertical-align: top;
}
.info-table th {
  width: 28%; background: #fff; color: var(--c-heading); font-weight: 800;
}
@media (max-width: 560px) {
  .info-table,
  .info-table tbody,
  .info-table tr,
  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }
  .info-table th {
    padding-bottom: 4px;
    border-bottom: 0;
  }
  .info-table td {
    padding-top: 4px;
  }
}

/* ===== Timeline (1日の流れ) ===== */
.timeline { list-style: none; padding: 0; margin: 12px 0; }
.timeline li {
  display: grid; grid-template-columns: 110px 1fr; gap: 16px;
  padding: 14px 0; border-bottom: 1px dashed var(--c-line);
}
.timeline li:last-child { border-bottom: 0; }
.timeline .time {
  color: var(--c-accent); font-weight: 700; font-size: 14px;
}

/* ===== Members ===== */
.members {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.member {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md);
  padding: 20px;
}
.member .role { font-size: 12px; color: var(--c-muted); }
.member .name { font-weight: 700; color: var(--c-heading); font-size: 16px; margin: 4px 0; }
.member .affil { font-size: 12px; color: var(--c-muted); }

/* ===== Access ===== */
.access-grid {
  display: grid; gap: 20px;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 720px) { .access-grid { grid-template-columns: 1fr; } }

/* ===== Footer ===== */
.site-footer {
  background: var(--c-heading); border-top: 1px solid var(--c-heading);
  padding: 48px 0 28px; margin-top: 0;
  font-size: 14px; color: var(--c-text);
}
.site-footer,
.site-footer a,
.site-footer h4 {
  color: #fff;
}
.site-footer p,
.site-footer li,
.site-footer .copy {
  color: rgba(255,255,255,.72);
}
.site-footer .ver {
  margin-left: 14px;
  font-size: 12px;
  color: rgba(255,255,255,.45);
  letter-spacing: .04em;
  white-space: nowrap;
}
.site-footer .grid {
  display: grid; gap: 24px;
  grid-template-columns: 2fr 1fr 1fr;
}
@media (max-width: 720px) { .site-footer .grid { grid-template-columns: 1fr; } }
.site-footer h4 {
  font-size: 13px; color: var(--c-heading); margin: 0 0 10px; letter-spacing: 0.05em;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 4px 0; }
.site-footer .copy {
  margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.22);
  font-size: 12px; text-align: center;
}

/* ===== Utility ===== */
.muted { color: var(--c-muted); }
.note { font-size: 13px; color: var(--c-muted); }
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.divider { height: 1px; background: var(--c-line); margin: 28px 0; }

.badge {
  display: inline-block; font-size: 11px; padding: 3px 10px; border-radius: 999px;
  color: #fff; background: var(--c-accent); letter-spacing: 0.08em;
}
.badge.parasol { background: var(--c-parasol); }
.badge.sunny   { background: var(--c-sunny); }
.badge.step    { background: var(--c-step); }

/* ===== LP-specific ===== */
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 80px; }
.site-nav a.active { color: var(--c-accent); }

details.accordion {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md);
  margin: 12px 0; padding: 0;
}
details.accordion > summary {
  cursor: pointer; padding: 16px 18px; font-weight: 800; color: var(--c-heading);
  list-style: none; position: relative; padding-right: 40px;
}
details.accordion > summary::-webkit-details-marker { display: none; }
details.accordion > summary::after {
  content: "＋"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  color: var(--c-accent); font-weight: 700;
}
details.accordion[open] > summary::after { content: "−"; }
details.accordion > .acc-body { padding: 0 18px 18px; }

.service-block { padding: 64px 0; border-bottom: 1px solid var(--c-line); }
.service-block:last-of-type { border-bottom: 0; }
.service-block .lead-row {
  display: grid; grid-template-columns: minmax(240px, .82fr) minmax(0, 1.48fr); gap: clamp(26px, 5vw, 64px); align-items: start;
  margin-bottom: 34px;
}
@media (max-width: 720px) { .service-block .lead-row { grid-template-columns: 1fr; gap: 16px; } }
.service-block .lead-col h2 {
  font-size: clamp(23px, 2.9vw, 39px); font-weight: 500; color: var(--c-heading); margin: 10px 0 8px;
  line-height: 1.4;
}
.service-block .lead-col .name-en {
  font-size: 12px; letter-spacing: 0.2em; color: var(--c-muted);
  font-weight: 800;
}
.service-block.parasol h2 { color: var(--c-heading); }
.service-block.sunny   h2 { color: var(--c-heading); }
.service-block.step    h2 { color: var(--c-heading); }
.service-block.parasol .badge { background: var(--c-parasol); }
.service-block.sunny   .badge { background: var(--c-sunny); }
.service-block.step    .badge { background: var(--c-step); }
.section-character {
  display: block;
  width: auto;
  max-width: min(54%, 161px);
  max-height: 168px;
  object-fit: contain;
  object-position: left bottom;
  margin: 28px 0 0;
  filter: drop-shadow(0 18px 26px rgba(23,23,23,.08));
}
.sunny-character { max-height: 158px; }
.step-character { max-height: 165px; }

.lp-anchor-nav {
  background: #fff;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  padding: 12px 0;
  font-size: 14px;
}
.lp-anchor-nav .container {
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: center;
}
.lp-anchor-nav a {
  color: var(--c-heading); font-weight: 800;
  padding: 6px 0; border-radius: 0; border: 0; background: transparent;
}
.lp-anchor-nav a:hover { text-decoration: none; color: var(--c-accent); }
@media (max-width: 720px) {
  .lp-anchor-nav .container { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; }
  .lp-anchor-nav a { flex: 0 0 auto; }
}

/* ===== Page-specific accent ===== */
body.page-parasol h2.section-title::before { background: var(--c-parasol); }
body.page-sunny   h2.section-title::before { background: var(--c-sunny); }
body.page-step    h2.section-title::before { background: var(--c-step); }

/* dark mode override — force light */
@media (prefers-color-scheme: dark) {
  body { background: #ffffff !important; color: var(--c-text) !important; }
}