/* ===== MONOKONO Inc. corporate site ===== */
:root {
  --navy: #1b3057;
  --navy-deep: #14233f;
  --teal: #1d6e80;
  --mint: #63c99b;
  --yellow: #e3dd4f;
  --ink: #1e2736;
  --muted: #5c6675;
  --line: #e5e8ec;
  --bg: #fbfbf9;
  --bg-alt: #f3f6f6;
  --white: #ffffff;
  --grad: linear-gradient(100deg, var(--navy) 0%, var(--teal) 45%, var(--mint) 80%, var(--yellow) 105%);
  --radius: 18px;
  --shadow: 0 10px 40px rgba(27, 48, 87, .08);
  --font-en: 'Marcellus', serif;
  --font-jp: 'Noto Sans JP', sans-serif;
  --font-head: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: var(--font-jp);
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.9;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
em { font-style: normal; color: var(--teal); font-weight: 500; }
.center { text-align: center; }
.pc-only { display: inline; }

/* ---- header ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 251, 249, .85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(27, 48, 87, .07);
}
.header-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 28px; height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { width: 40px; height: 40px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-ja { font-size: 10px; letter-spacing: .34em; color: var(--muted); }
.brand-en { font-family: var(--font-en); font-size: 19px; letter-spacing: .12em; color: var(--navy); }
.global-nav { display: flex; gap: 24px; margin-left: auto; }
.global-nav a {
  font-size: 13.5px; font-weight: 500; color: var(--ink);
  padding: 6px 2px; position: relative;
}
.global-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--grad); transition: right .35s ease;
}
.global-nav a:hover::after { right: 0; }
.header-cta {
  font-size: 13.5px; font-weight: 700; color: #fff;
  background: var(--navy); border-radius: 999px; padding: 9px 22px;
  transition: opacity .25s, transform .25s;
}
.header-cta:hover { opacity: .85; transform: translateY(-1px); }
.nav-toggle { display: none; }

/* ---- hero ---- */
.hero { position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .35; }
.blob-1 { width: 480px; height: 480px; background: var(--mint); top: -160px; right: -80px; }
.blob-2 { width: 420px; height: 420px; background: #9db8e8; bottom: -180px; left: -120px; }
.blob-3 { width: 260px; height: 260px; background: var(--yellow); top: 40%; right: 30%; opacity: .18; }
.hero-inner {
  position: relative;
  max-width: 1160px; margin: 0 auto; padding: 84px 24px 96px;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-en); font-size: 14px; letter-spacing: .3em;
  color: var(--teal); margin-bottom: 18px;
}
.hero-title {
  font-family: var(--font-head); font-weight: 700;
  font-size: clamp(34px, 4.2vw, 51px); line-height: 1.35; letter-spacing: .04em;
  margin-bottom: 26px;
}
.grad-text {
  white-space: nowrap;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lead { font-size: 15px; color: var(--muted); max-width: 34em; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-logo img {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 8%;
}

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14.5px; font-weight: 700; border-radius: 999px;
  padding: 13px 30px; transition: transform .25s, opacity .25s, box-shadow .25s;
  border: none; cursor: pointer; font-family: var(--font-jp);
}
.btn .arrow { transition: transform .25s; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary {
  color: #fff; background: var(--grad); background-size: 130% 100%;
  box-shadow: 0 8px 24px rgba(29, 110, 128, .3);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost {
  color: var(--navy); background: transparent;
  border: 1.5px solid rgba(27, 48, 87, .35);
}
.btn-ghost:hover { border-color: var(--navy); background: rgba(27, 48, 87, .04); }

/* ---- sections ---- */
.section { padding: 96px 0; }
.section.alt { background: var(--bg-alt); }
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 860px; }
.section-label {
  font-family: var(--font-en); font-size: 13px; letter-spacing: .34em;
  color: var(--teal); display: flex; align-items: center; gap: 14px;
  margin-bottom: 10px;
}
.section-label::before { content: ""; width: 36px; height: 2px; background: var(--grad); }
.section-title {
  font-family: var(--font-head); font-weight: 700;
  font-size: clamp(26px, 3vw, 36px); letter-spacing: .06em; margin-bottom: 28px;
}
.section-lead { font-size: 15px; color: var(--muted); max-width: 46em; margin-bottom: 44px; }
.section-lead.center { margin-left: auto; margin-right: auto; text-align: center; }
.sub-heading {
  font-family: var(--font-head); font-size: 18px; font-weight: 700;
  letter-spacing: .08em; margin-bottom: 18px;
}

/* MISSION */
#mission .container { text-align: center; }
#mission .section-label { justify-content: center; }
#mission .section-label::after { content: ""; width: 36px; height: 2px; background: var(--grad); }
.mission-copy { font-size: clamp(16px, 2vw, 20px); line-height: 2.3; letter-spacing: .06em; }
.mission-copy strong {
  font-weight: 700;
  background: linear-gradient(transparent 62%, rgba(99, 201, 155, .35) 62%);
}

/* BUSINESS */
.business-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 56px; }
.biz-card {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--line);
  transition: transform .3s;
}
.biz-card:hover { transform: translateY(-4px); }
.biz-media { aspect-ratio: 21 / 9; overflow: hidden; background: #eef2f2; }
.biz-media img { width: 100%; height: 100%; object-fit: cover; }
.biz-card h3 {
  font-family: var(--font-head); font-size: 20px; letter-spacing: .08em;
  padding: 22px 28px 0;
}
.biz-card h3::after {
  content: ""; display: block; width: 44px; height: 3px;
  background: var(--grad); border-radius: 2px; margin-top: 10px;
}
.biz-card p { padding: 14px 28px 28px; font-size: 14px; color: var(--muted); }
.category-chips { list-style: none; display: flex; flex-wrap: wrap; gap: 12px; }
.category-chips li {
  background: var(--white); border: 1px solid var(--line); border-radius: 999px;
  padding: 10px 20px; font-size: 13.5px; font-weight: 500;
  box-shadow: 0 3px 12px rgba(27, 48, 87, .05);
}
.category-chips li span { color: var(--muted); font-weight: 400; font-size: 12px; margin-left: 8px; }

/* CHANNELS */
.mall-banner {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 34px; margin-bottom: 32px; box-shadow: var(--shadow);
}
.mall-banner img { margin: 0 auto; max-height: 56px; width: auto; }
.mall-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.mall-card {
  position: relative; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px 24px 22px;
  transition: transform .3s, box-shadow .3s; overflow: hidden;
}
.mall-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--grad); opacity: 0; transition: opacity .3s;
}
.mall-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.mall-card:hover::before { opacity: 1; }
.mall-tag {
  position: absolute; top: 16px; right: 16px;
  font-size: 11px; font-weight: 700; color: #fff;
  background: var(--grad); border-radius: 999px; padding: 3px 12px;
}
.mall-card h3 { font-family: var(--font-head); font-size: 17px; letter-spacing: .05em; margin-bottom: 4px; }
.mall-card p { font-size: 12.5px; color: var(--muted); margin-bottom: 18px; }
.mall-link { font-size: 13px; font-weight: 700; color: var(--teal); }
.mall-note { margin-top: 26px; font-size: 13px; color: var(--muted); text-align: center; }

/* VALUES */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 24px; text-align: center; transition: transform .3s;
}
.value-card:hover { transform: translateY(-4px); }
.value-emoji { font-size: 34px; display: block; margin-bottom: 14px; }
.value-card h3 {
  font-family: var(--font-head); font-size: 19px; letter-spacing: .2em; margin-bottom: 10px;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  display: inline-block;
}
.value-card p { font-size: 13.5px; color: var(--muted); }

/* COMPANY */
.company-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 18px 40px; max-width: 860px; margin: 0 auto;
}
.company-table div {
  display: grid; grid-template-columns: 190px 1fr; gap: 20px;
  padding: 18px 4px; border-bottom: 1px solid var(--line);
}
.company-table div:last-child { border-bottom: none; }
.company-table dt { font-weight: 700; font-size: 14px; color: var(--navy); }
.company-table dd { font-size: 14.5px; }
.en-sub { color: var(--muted); font-size: 12.5px; letter-spacing: .08em; }

/* HISTORY */
.timeline { list-style: none; position: relative; padding-left: 30px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px;
  background: linear-gradient(to bottom, var(--navy), var(--teal), var(--mint));
  border-radius: 2px;
}
.timeline li { position: relative; padding: 0 0 30px 18px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: -30px; top: 9px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--white); border: 3.5px solid var(--teal);
  box-shadow: 0 0 0 4px rgba(29, 110, 128, .12);
}
.tl-date {
  display: block; font-family: var(--font-en); font-size: 13px; letter-spacing: .1em;
  color: var(--teal); font-weight: 700;
}
.tl-body { font-size: 15px; font-weight: 500; }

/* CONTACT */
.section.contact {
  background:
    radial-gradient(700px 400px at 85% 0%, rgba(99, 201, 155, .18), transparent),
    radial-gradient(600px 380px at 10% 100%, rgba(29, 110, 128, .25), transparent),
    var(--navy-deep);
  color: #fff;
}
.section-label.light { color: var(--mint); }
.section-title.light { color: #fff; }
.section-lead.light { color: rgba(255, 255, 255, .75); }
.mail-link { color: var(--yellow); border-bottom: 1px solid rgba(227, 221, 79, .5); }
.contact-form {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius); padding: 40px; margin-top: 10px;
  backdrop-filter: blur(6px);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.contact-form label {
  display: block; font-size: 13px; font-weight: 700; margin-bottom: 20px;
  color: rgba(255, 255, 255, .9);
}
.req {
  font-size: 10.5px; font-weight: 700; color: #fff;
  background: var(--teal); border-radius: 4px; padding: 1px 7px; margin-left: 6px;
  vertical-align: 1px;
}
.contact-form input, .contact-form select, .contact-form textarea {
  display: block; width: 100%; margin-top: 8px;
  background: rgba(255, 255, 255, .95); border: 1px solid transparent;
  border-radius: 10px; padding: 12px 14px;
  font-family: var(--font-jp); font-size: 14.5px; color: var(--ink);
  transition: box-shadow .2s, border-color .2s;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--mint); box-shadow: 0 0 0 3px rgba(99, 201, 155, .35);
}
.contact-form textarea { resize: vertical; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
.btn-submit { margin: 6px auto 0; display: flex; min-width: 240px; justify-content: center; }
.btn-submit:disabled { opacity: .55; cursor: wait; }
.form-status { margin-top: 18px; text-align: center; font-size: 14px; font-weight: 500; min-height: 1.5em; }
.form-status.ok { color: var(--mint); }
.form-status.ng { color: #ffb2a8; }

/* ---- footer ---- */
.site-footer { background: #10192b; color: rgba(255, 255, 255, .8); padding: 64px 0 28px; }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px;
  padding-bottom: 44px; border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.site-footer .brand-icon { background: #fff; border-radius: 10px; padding: 3px; }
.site-footer .brand-ja { color: rgba(255, 255, 255, .55); }
.site-footer .brand-en { color: #fff; }
.footer-addr { font-size: 12.5px; line-height: 2; margin-top: 16px; color: rgba(255, 255, 255, .6); }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav-title {
  font-family: var(--font-en); font-size: 12px; letter-spacing: .28em;
  color: var(--mint); margin-bottom: 4px;
}
.footer-nav a { font-size: 13px; color: rgba(255, 255, 255, .75); transition: color .2s; }
.footer-nav a:hover { color: #fff; }
.copyright { text-align: center; font-size: 12px; color: rgba(255, 255, 255, .45); padding-top: 26px; }

/* ---- reveal animation ---- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.delay-1 { transition-delay: .12s; }
.reveal.delay-2 { transition-delay: .24s; }
.reveal.delay-3 { transition-delay: .36s; }
.reveal.shown { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---- responsive ---- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; padding: 56px 24px 72px; gap: 40px; }
  .hero-logo { max-width: 440px; margin: 0 auto; }
  .mall-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .pc-only { display: none; }
}
@media (max-width: 720px) {
  .global-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0; background: rgba(251, 251, 249, .98);
    border-bottom: 1px solid var(--line); padding: 8px 0;
  }
  .global-nav.open { display: flex; }
  .global-nav a { padding: 14px 28px; }
  .header-cta { margin-left: auto; }
  .nav-toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 5px;
    width: 40px; height: 40px; padding: 8px;
    background: none; border: none; cursor: pointer;
  }
  .nav-toggle span { display: block; height: 2px; background: var(--navy); border-radius: 2px; }
  .section { padding: 64px 0; }
  .business-grid, .form-row { grid-template-columns: 1fr; }
  .form-row { gap: 0; }
  .mall-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .company-card { padding: 8px 22px; }
  .company-table div { grid-template-columns: 1fr; gap: 2px; padding: 14px 2px; }
  .contact-form { padding: 26px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .mall-banner { padding: 18px; }
  .mall-banner img { max-height: 34px; }
}