/*
Theme Name: RYO WEB STUDIO
Theme URI: https://ryootsuka.com
Author: Ryo Otsuka
Author URI: https://ryootsuka.com
Description: Portfolio & blog theme for Ryo Otsuka — 法人営業 x Web制作. Custom "Works" post type, native Posts for the Blog, and a real contact form via wp_mail(). No plugin dependencies.
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: ryo-web-studio
*/

/* ============ Design tokens (from RYO WEB STUDIO.dc.html) ============ */
:root {
  --color-text: oklch(20% 0.01 260);
  --color-text-secondary: oklch(35% 0.01 260);
  --color-text-muted: oklch(45% 0.01 260);
  --color-text-faint: oklch(50% 0.01 260);
  --color-text-fainter: oklch(55% 0.01 260);
  --color-text-quiet: oklch(60% 0.01 260);
  --color-border: oklch(92% 0.005 260);
  --color-border-strong: oklch(88% 0.005 260);
  --color-bg: #fff;
  --color-bg-subtle: oklch(97.5% 0.004 260);
  --color-bg-chip: oklch(96% 0.005 260);
  --color-accent: oklch(45% 0.16 258);
  --color-accent-hover: oklch(38% 0.16 258);
  --color-selection: oklch(90% 0.05 258);
  --color-dark: oklch(20% 0.01 260);
  --color-darker: oklch(15% 0.005 260);
  --color-code-bg: oklch(20% 0.01 260);
  --color-code-bg-head: oklch(15% 0.01 260);
  --color-danger: oklch(55% 0.16 30);
  --color-badge-sales-bg: oklch(93% 0.03 258);
  --color-badge-sales-fg: oklch(40% 0.16 258);
  --color-badge-dev-bg: oklch(45% 0.16 258);
  --color-badge-dev-fg: #fff;
  --color-badge-default-bg: oklch(97% 0.01 258);
  --color-badge-default-fg: oklch(50% 0.12 258);
  --font-body: 'Noto Sans JP', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1280px;
}

/* ============ Reset / base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }
::selection { background: var(--color-selection); }
button, input, select, textarea { font-family: inherit; }
ul.rws-plain { margin: 0; padding: 0; list-style: none; }

.rws-wrap { max-width: var(--max-width); margin: 0 auto; padding-left: 32px; padding-right: 32px; }
.rws-wrap--narrow { max-width: 1200px; }
.rws-wrap--work { max-width: 920px; }
.rws-wrap--about { max-width: 1000px; }
.rws-wrap--contact { max-width: 680px; }
.rws-wrap--privacy { max-width: 760px; }

.rws-eyebrow {
  font: 500 13px/1 var(--font-mono);
  color: var(--color-accent);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.rws-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 5px;
}
.rws-btn {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: 16px 30px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
}
.rws-btn:hover { background: var(--color-accent-hover); color: #fff; }
.rws-btn--sm { padding: 14px 26px; font-size: 14px; }
.rws-btn--block { width: 100%; padding: 16px; text-align: center; }

/* ============ Header ============ */
.rws-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.rws-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.rws-logo { font-weight: 900; font-size: 20px; letter-spacing: 0.02em; color: var(--color-text); }
.rws-logo:hover { color: var(--color-text); }
.rws-nav { display: flex; align-items: center; gap: 36px; flex-wrap: wrap; }
.rws-nav a { font-size: 14px; font-weight: 500; color: var(--color-text-muted); }
.rws-nav a:hover { color: var(--color-text); }
.rws-nav a.is-active { color: var(--color-text); }
.rws-nav a.rws-nav__contact { font-weight: 700; color: var(--color-accent); }

/* ============ Image placeholder (default "no photo yet" art) ============ */
.rws-ph {
  position: relative;
  width: 100%;
  display: block;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 20%, oklch(93% 0.03 258 / 0.55), transparent 55%),
    radial-gradient(circle at 85% 80%, oklch(90% 0.02 258 / 0.5), transparent 55%),
    oklch(96% 0.006 260);
}
.rws-ph::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, oklch(88% 0.01 258 / 0.5) 0 1px, transparent 1px 26px);
}
.rws-ph__label {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  width: 84%;
  text-align: center;
  font-size: 12px;
  line-height: 1.6;
  color: oklch(55% 0.03 258);
  font-weight: 500;
}
.rws-ph--circle { border-radius: 50%; }
.rws-ph--rounded { border-radius: 12px; }
.rws-ph--rect { border-radius: 0; }
.rws-ph img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; }
.rws-ph.has-img::before, .rws-ph.has-img .rws-ph__label { display: none; }

/* ============ Home ============ */
.rws-hero-section { max-width: 1280px; margin: 0 auto; padding: 56px 32px 0; }
.rws-hero-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 48px; gap: 24px; }
.rws-hero-title { font-size: 76px; line-height: 1.05; font-weight: 900; margin: 0; letter-spacing: -0.01em; }
.rws-hero-kicker { font: 700 13px/1 var(--font-mono); color: var(--color-text-faint); letter-spacing: 0.1em; padding-top: 12px; white-space: nowrap; }
.rws-hero-photo { height: 460px; margin-bottom: 56px; }
.rws-hero-lede { max-width: 720px; font-size: 15px; line-height: 2; color: var(--color-text-secondary); margin: 0 0 100px; }

.rws-section { max-width: 1280px; margin: 0 auto; padding: 0 32px 100px; }
.rws-section--narrow { max-width: 1200px; }
.rws-section-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 48px; }
.rws-section-head h2 { font-size: 40px; font-weight: 900; margin: 0; }
.rws-section-head span { font-size: 13px; color: var(--color-text-fainter); }

.rws-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 28px; }
.rws-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.rws-work-card { cursor: pointer; }
.rws-work-card__thumb { height: 280px; margin-bottom: 18px; }
.rws-work-card h3 { font-size: 16px; font-weight: 700; margin: 0 0 6px; }
.rws-work-card p { font-size: 12.5px; color: var(--color-text-fainter); margin: 0; }

.rws-service-section { max-width: 1200px; margin: 0 auto; padding: 0 32px 100px; }
.rws-service-section h2 { font-size: 32px; font-weight: 900; margin: 0 0 48px; }
.rws-service-card { border: 1px solid var(--color-border); border-radius: 16px; padding: 40px; }
.rws-service-card h3 { font-size: 22px; font-weight: 700; margin: 0 0 14px; }
.rws-service-card p { font-size: 14.5px; line-height: 1.9; color: var(--color-text-muted); margin: 0 0 20px; }
.rws-service-card ul { margin: 0; padding-left: 20px; font-size: 14px; line-height: 2.1; color: var(--color-text-secondary); }

.rws-blog-band { background: var(--color-bg-subtle); padding: 100px 32px; }
.rws-blog-band__head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 48px; gap: 24px; flex-wrap: wrap; }
.rws-blog-band__head h2 { font-size: 32px; font-weight: 900; margin: 0; }
.rws-blog-band__more { font-size: 14px; font-weight: 700; }

.rws-blog-card { background: #fff; border: 1px solid var(--color-border); border-radius: 14px; overflow: hidden; cursor: pointer; }
.rws-blog-card__eye { height: 160px; }
.rws-blog-card__body { padding: 20px; }
.rws-blog-card h3 { font-size: 15px; font-weight: 700; margin: 14px 0 8px; line-height: 1.5; }
.rws-blog-card__date { font-size: 12px; color: var(--color-text-faint); margin: 0; }

.rws-cta-band { background: var(--color-dark); padding: 56px 32px; }
.rws-cta-band__inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.rws-cta-band p { color: #fff; font-size: 17px; font-weight: 700; margin: 0; line-height: 1.7; }
.rws-cta-band p .sub { font-weight: 400; color: oklch(75% 0.01 260); font-size: 14px; }

/* ============ List pages (Works / Blog) ============ */
.rws-page-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 16px; }
.rws-page-head h1 { font-size: 44px; font-weight: 900; margin: 0; }
.rws-page-head span { font-size: 13px; color: var(--color-text-fainter); }
.rws-page-lede { font-size: 15px; color: var(--color-text-muted); margin: 0 0 56px; max-width: 560px; }

.rws-tabs { display: flex; gap: 10px; margin-bottom: 48px; flex-wrap: wrap; }
.rws-tab {
  border: 1px solid var(--color-border-strong);
  background: #fff;
  color: var(--color-text-secondary);
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
}
.rws-tab.is-active { border-color: var(--color-accent); background: var(--color-accent); color: #fff; }

.rws-blog-list-card__eye { height: 170px; }
.rws-blog-list-card__body { padding: 22px; }
.rws-blog-list-card h3 { font-size: 15.5px; font-weight: 700; margin: 14px 0 10px; line-height: 1.6; }
.rws-blog-list-card p { font-size: 13px; color: var(--color-text-faint); line-height: 1.7; margin: 0 0 14px; }
.rws-blog-list-card__meta { display: flex; justify-content: space-between; align-items: center; }
.rws-blog-list-card__meta span { font-size: 12px; color: var(--color-text-fainter); }

/* ============ Work detail ============ */
.rws-back-link { font-size: 13px; font-weight: 700; }
.rws-work-badges { display: flex; gap: 8px; margin: 28px 0 16px; }
.rws-badge--cat { background: var(--color-badge-sales-bg); color: var(--color-badge-sales-fg); }
.rws-badge--type { background: var(--color-bg-chip); color: var(--color-text-muted); }
.rws-work-title { font-size: 34px; font-weight: 900; margin: 0 0 14px; }
.rws-work-meta { font-size: 13px; color: var(--color-text-faint); margin: 0 0 40px; }
.rws-work-hero { height: 440px; margin-bottom: 56px; }
.rws-detail-table { display: grid; grid-template-columns: 140px 1fr; row-gap: 28px; column-gap: 24px; font-size: 14.5px; line-height: 1.9; }
.rws-detail-table dt { font-weight: 700; color: var(--color-text-muted); }
.rws-detail-table dd { margin: 0; }
.rws-work-shots-head { font-size: 20px; font-weight: 700; margin: 64px 0 24px; }
.rws-work-shots { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.rws-work-shots .rws-ph { height: 260px; }
.rws-cta-box { margin-top: 72px; padding: 40px; border-radius: 16px; background: var(--color-bg-subtle); text-align: center; }
.rws-cta-box p { font-size: 15px; font-weight: 700; margin: 0 0 20px; }
.rws-cta-box--sm { padding: 32px; border-radius: 14px; }
.rws-cta-box--sm p { font-size: 14.5px; }

/* ============ Blog detail ============ */
.rws-blog-detail { max-width: 1200px; margin: 0 auto; padding: 64px 32px 120px; display: grid; grid-template-columns: 1fr 220px; gap: 64px; align-items: start; }
.rws-blog-detail__main { max-width: 760px; }
.rws-blog-detail__meta { display: flex; gap: 16px; font-size: 13px; color: var(--color-text-faint); margin-bottom: 36px; flex-wrap: wrap; }
.rws-blog-detail h1 { font-size: 32px; font-weight: 900; line-height: 1.5; margin: 0 0 20px; }
.rws-blog-detail__eye { height: 360px; margin-bottom: 44px; }
.rws-toc { border: 1px solid var(--color-border); border-radius: 12px; padding: 24px 28px; margin-bottom: 48px; }
.rws-toc__head { font-size: 13px; font-weight: 700; margin-bottom: 12px; }
.rws-toc ol { margin: 0; padding: 0 0 0 18px; font-size: 13.5px; line-height: 2.2; color: var(--color-text); }
.rws-toc a { color: inherit; }
.rws-article { font-size: 16px; line-height: 2.0; color: oklch(25% 0.01 260); }
.rws-article h2 { font-size: 22px; font-weight: 700; margin: 40px 0 18px; }
.rws-article h2:first-child { margin-top: 0; }
.rws-article p { margin: 0 0 24px; }
.rws-article blockquote { margin: 0 0 32px; padding: 20px 24px; border-left: 3px solid var(--color-accent); background: var(--color-bg-subtle); font-size: 15px; color: var(--color-text-secondary); }
.rws-article ul, .rws-article ol { margin: 0 0 32px; padding-left: 22px; }
.rws-article pre { margin: 0; padding: 20px 18px; overflow-x: auto; font: 14px/1.7 var(--font-mono); color: oklch(88% 0.01 260); background: none; }
.rws-article code { font-family: var(--font-mono); }
.rws-article > pre, .rws-article .wp-block-code {
  background: var(--color-code-bg); border-radius: 10px; overflow: hidden; margin: 0 0 32px;
}
.rws-code-block { background: var(--color-code-bg); border-radius: 10px; overflow: hidden; margin: 0 0 32px; }
.rws-code-block__head { display: flex; justify-content: space-between; align-items: center; padding: 10px 18px; background: var(--color-code-bg-head); }
.rws-code-block__head span { font: 500 12px var(--font-mono); color: oklch(75% 0.01 260); }
.rws-code-block pre { color: oklch(88% 0.01 260); }
.rws-article img { border-radius: 10px; margin: 0 0 32px; }

.rws-tag-list { display: flex; gap: 8px; margin: 48px 0; flex-wrap: wrap; }
.rws-tag { font-size: 12px; padding: 5px 12px; border-radius: 999px; background: var(--color-bg-chip); color: var(--color-text-muted); }

.rws-author-box { display: flex; gap: 16px; align-items: center; padding: 24px; border: 1px solid var(--color-border); border-radius: 14px; margin-bottom: 56px; }
.rws-author-box .rws-ph { width: 56px; height: 56px; flex-shrink: 0; }
.rws-author-box__name { font-size: 14.5px; font-weight: 700; margin-bottom: 4px; }
.rws-author-box__bio { font-size: 13px; color: var(--color-text-faint); line-height: 1.7; }

.rws-related-head { font-size: 18px; font-weight: 700; margin: 0 0 24px; }
.rws-related-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 56px; }
.rws-related-grid .rws-ph { height: 100px; margin-bottom: 10px; }
.rws-related-grid div.rws-related-title { font-size: 13px; font-weight: 700; line-height: 1.6; }

.rws-blog-detail__aside { position: sticky; top: 100px; }
.rws-blog-detail__aside-head { font-size: 12px; font-weight: 700; color: var(--color-text-faint); margin-bottom: 14px; }
.rws-blog-detail__aside nav { display: flex; flex-direction: column; gap: 8px; font-size: 13.5px; }

/* ============ About ============ */
.rws-about-photo { height: 340px; margin-bottom: 56px; }
.rws-about-intro { display: grid; grid-template-columns: 100px 1fr; gap: 40px; margin-bottom: 56px; }
.rws-about-intro__label { font-size: 13px; color: var(--color-text-fainter); padding-top: 8px; }
.rws-about-intro h2 { font-size: 32px; font-weight: 900; margin: 0 0 24px; line-height: 1.2; }
.rws-about-intro p { font-size: 14.5px; line-height: 2; color: var(--color-text-secondary); margin: 0; max-width: 520px; }
.rws-hr { border: none; border-top: 1px solid var(--color-border-strong); margin: 0 0 56px; }
.rws-about-h2 { font-size: 28px; font-weight: 900; margin: 0; }
.rws-about-h2-row { display: flex; align-items: baseline; gap: 14px; margin-bottom: 32px; }
.rws-about-h2-row span { font-size: 13px; color: var(--color-text-fainter); }

.rws-career-list { display: flex; flex-direction: column; gap: 26px; margin-bottom: 56px; }
.rws-career-row { display: grid; grid-template-columns: 110px 1fr; gap: 24px; font-size: 14px; }
.rws-career-row__date { color: var(--color-text-faint); }
.rws-career-row__text { color: oklch(25% 0.01 260); }

.rws-strength-list { display: flex; flex-direction: column; gap: 28px; margin-bottom: 64px; }
.rws-strength-row { display: grid; grid-template-columns: 110px 1fr; gap: 24px; }
.rws-strength-row__title { font-size: 14px; font-weight: 700; color: oklch(25% 0.01 260); }
.rws-strength-row__text { font-size: 14px; line-height: 1.9; color: var(--color-text-secondary); }

.rws-pieces-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 64px; }
.rws-pieces-grid .rws-ph { height: 180px; }

.rws-about-h3 { font-size: 20px; font-weight: 700; margin: 0 0 24px; }
.rws-capability-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 64px; }
.rws-capability-card { border: 1px solid var(--color-border); border-radius: 12px; padding: 24px; }
.rws-capability-card__title { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.rws-capability-card__text { font-size: 13.5px; color: var(--color-text-faint); }

.rws-chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 64px; }
.rws-chip { font-size: 13px; padding: 8px 16px; border-radius: 999px; background: var(--color-bg-chip); color: var(--color-text-secondary); }

.rws-social-row { display: flex; gap: 20px; margin-bottom: 64px; }
.rws-social-link { font-size: 14px; font-weight: 700; padding: 10px 18px; border: 1px solid var(--color-border-strong); border-radius: 8px; }

/* ============ Contact ============ */
.rws-contact-lede { font-size: 14.5px; color: var(--color-text-muted); line-height: 1.8; margin: 0 0 48px; }
.rws-sent-box { padding: 56px 32px; text-align: center; border: 1px solid var(--color-border); border-radius: 16px; }
.rws-sent-box h2 { font-size: 20px; font-weight: 700; margin: 0 0 12px; }
.rws-sent-box p { font-size: 14px; color: var(--color-text-muted); line-height: 1.8; margin: 0; }
.rws-form { display: flex; flex-direction: column; gap: 24px; }
.rws-form label.rws-field { font-size: 13.5px; font-weight: 700; display: flex; flex-direction: column; gap: 8px; }
.rws-form .req { color: var(--color-danger); }
.rws-form input[type=text], .rws-form input[type=email], .rws-form select, .rws-form textarea {
  font: inherit; font-size: 14px; padding: 12px 14px; border: 1px solid oklch(85% 0.005 260); border-radius: 8px; background: #fff; width: 100%;
}
.rws-form textarea { resize: vertical; }
.rws-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.rws-form-check { font-size: 13.5px; display: flex; align-items: center; gap: 10px; font-weight: 400; }
.rws-form-error { font-size: 13px; color: var(--color-danger); margin: -12px 0 0; }

/* ============ Privacy ============ */
.rws-privacy-body { display: flex; flex-direction: column; gap: 32px; font-size: 14px; line-height: 1.9; color: var(--color-text-secondary); }
.rws-privacy-body h2 { font-size: 16px; font-weight: 700; color: var(--color-text); margin: 0 0 8px; }
.rws-privacy-body p { margin: 0; }

/* ============ Next teaser / footer ============ */
.rws-next { background: oklch(15% 0.005 260); padding: 64px 32px; cursor: pointer; display: block; }
.rws-next__inner { max-width: 1280px; margin: 0 auto; }
.rws-next__label { font-size: 12px; color: var(--color-text-quiet); margin-bottom: 8px; }
.rws-next__value { font-size: 28px; font-weight: 700; color: #fff; }

.rws-footer { border-top: 1px solid var(--color-border); padding: 32px; }
.rws-footer__row { max-width: 1280px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.rws-footer__nav { display: flex; gap: 24px; font-size: 13.5px; }
.rws-footer__nav a { color: var(--color-text); }
.rws-footer__right { display: flex; align-items: center; gap: 14px; }
.rws-footer__contact { font-size: 14px; font-weight: 700; color: var(--color-accent); }
.rws-footer__email { font-size: 13px; color: var(--color-text-faint); padding: 8px 16px; border: 1px solid var(--color-border-strong); border-radius: 999px; }
.rws-footer__copy { max-width: 1280px; margin: 16px auto 0; font-size: 12px; color: var(--color-text-quiet); }

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .rws-hero-title { font-size: 48px; }
  .rws-hero-top { flex-direction: column; gap: 12px; }
  .rws-grid-2, .rws-grid-3, .rws-capability-grid, .rws-work-shots, .rws-related-grid, .rws-pieces-grid { grid-template-columns: 1fr 1fr; }
  .rws-blog-band { padding: 64px 20px; }
  .rws-blog-detail { grid-template-columns: 1fr; padding: 48px 20px 80px; }
  .rws-blog-detail__aside { position: static; }
  .rws-about-intro { grid-template-columns: 1fr; }
  .rws-career-row, .rws-strength-row { grid-template-columns: 1fr; gap: 6px; }
  .rws-form-row { grid-template-columns: 1fr; }
  .rws-header__inner { padding: 14px 20px; }
  .rws-nav { gap: 20px; }
  .rws-hero-section, .rws-section, .rws-service-section { padding-left: 20px; padding-right: 20px; }
}
@media (max-width: 560px) {
  .rws-hero-title { font-size: 36px; }
  .rws-grid-2, .rws-grid-3, .rws-capability-grid, .rws-work-shots, .rws-related-grid, .rws-pieces-grid { grid-template-columns: 1fr; }
  .rws-detail-table { grid-template-columns: 1fr; row-gap: 6px; }
  .rws-detail-table dt { margin-top: 14px; }
  .rws-cta-band__inner { flex-direction: column; align-items: flex-start; }
}