/*
Theme Name: HIROCK
Theme URI: https://hirock.com
Author: HIROCK
Description: HIROCK.com 個人サイト用オリジナルテーマ。Music / Apps / 3D Prints / Blog / About / Contact をまとめる、ミニマルなメーカー系ポートフォリオデザイン。
Version: 1.0
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: hirock
*/

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f5f7;
  --color-text: #14161a;
  --color-text-muted: #6b7078;
  --color-accent: #3454d1;
  --color-line: #e4e6ea;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  --font-mono: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  --max-width: 1100px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 32px;
  --space-4: 64px;
  --space-5: 120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.home .site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: transparent;
  backdrop-filter: none;
  border-bottom: none;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  max-width: 100%;
  margin: 0 auto;
}

.site-logo {
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-text);
}

.home .site-logo { color: #fff; }

.main-nav ul {
  display: flex;
  gap: var(--space-3);
}

.main-nav a {
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

.home .main-nav a { color: rgba(255, 255, 255, 0.8); }

.main-nav a:hover,
.main-nav a.is-active {
  color: var(--color-accent);
}

.home .main-nav a:hover,
.home .main-nav a.is-active {
  color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: inherit;
}

/* Hero */
.hero {
  position: relative;
  padding: calc(var(--space-5) + 60px) var(--space-3) var(--space-5);
  text-align: center;
  background-image: linear-gradient(rgba(20, 22, 26, 0.55), rgba(20, 22, 26, 0.55)), url('http://hirock.local/wp-content/uploads/hirock-hero.jpg');
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  background-color: var(--color-text);
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 var(--space-2);
}

.hero h1 {
  font-size: clamp(40px, 8vw, 72px);
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 0 0 var(--space-2);
  color: #fff;
}

.hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 18px;
  max-width: 520px;
  margin: 0 auto;
}

.hero__actions {
  margin-top: var(--space-3);
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
}

.hero .btn {
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.hero .btn:hover,
.hero .btn--solid {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* Section */
.section {
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-line);
}

.section-title {
  font-size: 32px;
  letter-spacing: -0.01em;
  font-weight: 700;
  margin: 0 0 var(--space-3);
}

.section-lead {
  color: var(--color-text-muted);
  max-width: 640px;
  margin-bottom: var(--space-3);
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.section-header__see-all {
  font-size: 13px;
  color: var(--color-accent);
  white-space: nowrap;
}

/* Grid / Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.card {
  background: var(--color-bg-alt);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border-radius: 6px;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(20, 22, 26, 0.08);
}

.card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-line);
}

.card__media--phone {
  aspect-ratio: 9 / 16;
}

.card__media--square {
  aspect-ratio: 1 / 1;
}

.card__media--video {
  aspect-ratio: 16 / 9;
}

.card__media img,
.card__media iframe {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: none;
}

.card__body {
  padding: var(--space-2);
}

.card__title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 4px;
}

.card__meta {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

/* Overlay title: hidden until hover, shown over the artwork */
.card--overlay-title > a {
  position: relative;
  display: block;
}
.card--overlay-title .card__body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: var(--space-2);
  background: linear-gradient(to top, rgba(20, 22, 26, 0.75), transparent);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.card--overlay-title:hover .card__body {
  opacity: 1;
}
.card--overlay-title .card__title,
.card--overlay-title .card__meta {
  color: #fff;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid var(--color-text);
  border-radius: 4px;
  font-size: 13px;
  letter-spacing: 0.03em;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

.btn--accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.btn--accent:hover {
  background: var(--color-text);
  border-color: var(--color-text);
}

.btn--ghost {
  border-color: var(--color-line);
  color: var(--color-text-muted);
}

.btn--ghost:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

/* External / streaming link banner */
.external-banner {
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: var(--space-4) var(--space-3);
  text-align: center;
  background: var(--color-bg-alt);
}
.external-banner__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.external-banner__text {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: var(--space-3);
}


/* Band intro banner (Music page) */
.band-intro {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-bg-alt);
  border-radius: 6px;
  padding: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.band-intro__text {
  flex: 1;
  min-width: 240px;
  font-size: 16px;
}
.band-intro__text strong { color: var(--color-accent); }

/* 3D Print category filter tabs */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--space-3);
}
.filter-tabs a {
  padding: 8px 16px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--color-text-muted);
}
.filter-tabs a:hover,
.filter-tabs a.is-active {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Track / project detail page */
.detail-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-4);
  align-items: start;
  margin-bottom: var(--space-4);
}
.detail-layout__media img { width: 100%; display: block; border-radius: 6px; }
.detail-layout__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}
.detail-layout__title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 8px;
}
.detail-layout__year {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: var(--space-3);
}
.detail-layout__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--space-3);
}
.spotify-embed {
  margin-top: var(--space-3);
  max-width: 660px;
}
@media (max-width: 640px) {
  .detail-layout {
    grid-template-columns: 1fr;
  }
  .detail-layout__title {
    font-size: 24px;
  }
}

/* About page */
.about-hero {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}
.about-hero__photo {
  flex: 0 0 260px;
}
.about-hero__photo img {
  border-radius: 8px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  width: 100%;
}
.about-hero__text {
  flex: 1;
  min-width: 260px;
  font-size: 19px;
}

/* Blog */
.post-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.post-list__item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.post-list__date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
}

.post-list__category {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.post-list__title {
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 8px;
}

.post-list__excerpt {
  color: var(--color-text-muted);
  font-size: 14px;
}

.single-post .entry-content {
  max-width: 720px;
  margin: 0 auto;
}

.single-post .entry-content img { margin: var(--space-3) 0; border-radius: 6px; }

/* Contact page: SNS links only */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 360px;
}
.contact-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.contact-links a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.contact-links a span {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-3);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
}

.site-footer .social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  flex-wrap: wrap;
}

.site-footer .social-links a:hover { color: var(--color-accent); }

/* Responsive */
@media (max-width: 880px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }

  .main-nav {
    position: fixed;
    inset: 0;
    top: 60px;
    background: var(--color-bg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .main-nav.is-open { transform: translateX(0); }

  .main-nav ul {
    flex-direction: column;
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .main-nav a { color: var(--color-text) !important; }

  .nav-toggle { display: block; }

  .home .nav-toggle { color: #fff; }

  .post-list__item {
    grid-template-columns: 1fr;
  }
}